Home / 19,491.15-26,897.79-10,538.65

Finding the Fourth Proportional to 19,491.15, 26,897.79 and 10,538.65

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Solution

The fourth proportional to 19,491.15, 26,897.79 and 10,538.65 is: 14,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.15 : 26,897.79 = 10,538.65 : x
  2. Step 2: Convert to fraction form
    19,491.15/26,897.79 = 10,538.65/x
  3. Step 3: Cross multiply
    19,491.15x = 26,897.79 × 10,538.65
  4. Step 4: Simplify right side
    19,491.15x = 283,466,207.40
  5. Step 5: Solve for x
    x = 283,466,207.40/19,491.15
  6. Step 6: Final answer
    x = 14,543.33

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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.