Home / 16,866.50-23,276.14-9,312.81

Finding the Fourth Proportional to 16,866.50, 23,276.14 and 9,312.81

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Solution

The fourth proportional to 16,866.50, 23,276.14 and 9,312.81 is: 12,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.50 : 23,276.14 = 9,312.81 : x
  2. Step 2: Convert to fraction form
    16,866.50/23,276.14 = 9,312.81/x
  3. Step 3: Cross multiply
    16,866.50x = 23,276.14 × 9,312.81
  4. Step 4: Simplify right side
    16,866.50x = 216,766,269.35
  5. Step 5: Solve for x
    x = 216,766,269.35/16,866.50
  6. Step 6: Final answer
    x = 12,851.88

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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.