Home / 15,610.57-21,543.18-8,897.23

Finding the Fourth Proportional to 15,610.57, 21,543.18 and 8,897.23

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Solution

The fourth proportional to 15,610.57, 21,543.18 and 8,897.23 is: 12,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.57 : 21,543.18 = 8,897.23 : x
  2. Step 2: Convert to fraction form
    15,610.57/21,543.18 = 8,897.23/x
  3. Step 3: Cross multiply
    15,610.57x = 21,543.18 × 8,897.23
  4. Step 4: Simplify right side
    15,610.57x = 191,674,627.39
  5. Step 5: Solve for x
    x = 191,674,627.39/15,610.57
  6. Step 6: Final answer
    x = 12,278.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.