Home / 16,299.88-22,487.01-10,985.47

Finding the Fourth Proportional to 16,299.88, 22,487.01 and 10,985.47

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Solution

The fourth proportional to 16,299.88, 22,487.01 and 10,985.47 is: 15,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299.88 : 22,487.01 = 10,985.47 : x
  2. Step 2: Convert to fraction form
    16,299.88/22,487.01 = 10,985.47/x
  3. Step 3: Cross multiply
    16,299.88x = 22,487.01 × 10,985.47
  4. Step 4: Simplify right side
    16,299.88x = 247,030,373.74
  5. Step 5: Solve for x
    x = 247,030,373.74/16,299.88
  6. Step 6: Final answer
    x = 15,155.35

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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.