Home / 24,866.70-34,316.55-13,688.70

Finding the Fourth Proportional to 24,866.70, 34,316.55 and 13,688.70

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Solution

The fourth proportional to 24,866.70, 34,316.55 and 13,688.70 is: 18,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,866.70 : 34,316.55 = 13,688.70 : x
  2. Step 2: Convert to fraction form
    24,866.70/34,316.55 = 13,688.70/x
  3. Step 3: Cross multiply
    24,866.70x = 34,316.55 × 13,688.70
  4. Step 4: Simplify right side
    24,866.70x = 469,748,957.99
  5. Step 5: Solve for x
    x = 469,748,957.99/24,866.70
  6. Step 6: Final answer
    x = 18,890.68

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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.