Home / 21,503.39-29,673.05-12,070.13

Finding the Fourth Proportional to 21,503.39, 29,673.05 and 12,070.13

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Solution

The fourth proportional to 21,503.39, 29,673.05 and 12,070.13 is: 16,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.39 : 29,673.05 = 12,070.13 : x
  2. Step 2: Convert to fraction form
    21,503.39/29,673.05 = 12,070.13/x
  3. Step 3: Cross multiply
    21,503.39x = 29,673.05 × 12,070.13
  4. Step 4: Simplify right side
    21,503.39x = 358,157,362.28
  5. Step 5: Solve for x
    x = 358,157,362.28/21,503.39
  6. Step 6: Final answer
    x = 16,655.86

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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.