Home / 23,157.29-31,957.23-12,547.00

Finding the Fourth Proportional to 23,157.29, 31,957.23 and 12,547.00

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Solution

The fourth proportional to 23,157.29, 31,957.23 and 12,547.00 is: 17,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.29 : 31,957.23 = 12,547.00 : x
  2. Step 2: Convert to fraction form
    23,157.29/31,957.23 = 12,547.00/x
  3. Step 3: Cross multiply
    23,157.29x = 31,957.23 × 12,547.00
  4. Step 4: Simplify right side
    23,157.29x = 400,967,451.81
  5. Step 5: Solve for x
    x = 400,967,451.81/23,157.29
  6. Step 6: Final answer
    x = 17,314.95

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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.