Home / 15,263.57-21,062.63-8,890.22

Finding the Fourth Proportional to 15,263.57, 21,062.63 and 8,890.22

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Solution

The fourth proportional to 15,263.57, 21,062.63 and 8,890.22 is: 12,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.57 : 21,062.63 = 8,890.22 : x
  2. Step 2: Convert to fraction form
    15,263.57/21,062.63 = 8,890.22/x
  3. Step 3: Cross multiply
    15,263.57x = 21,062.63 × 8,890.22
  4. Step 4: Simplify right side
    15,263.57x = 187,251,489.36
  5. Step 5: Solve for x
    x = 187,251,489.36/15,263.57
  6. Step 6: Final answer
    x = 12,267.87

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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.