Home / 22,657.91-31,267.04-12,587.00

Finding the Fourth Proportional to 22,657.91, 31,267.04 and 12,587.00

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Solution

The fourth proportional to 22,657.91, 31,267.04 and 12,587.00 is: 17,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.91 : 31,267.04 = 12,587.00 : x
  2. Step 2: Convert to fraction form
    22,657.91/31,267.04 = 12,587.00/x
  3. Step 3: Cross multiply
    22,657.91x = 31,267.04 × 12,587.00
  4. Step 4: Simplify right side
    22,657.91x = 393,558,013.21
  5. Step 5: Solve for x
    x = 393,558,013.21/22,657.91
  6. Step 6: Final answer
    x = 17,369.57

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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.