Home / 22,516.48-31,071.50-12,444.32

Finding the Fourth Proportional to 22,516.48, 31,071.50 and 12,444.32

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Solution

The fourth proportional to 22,516.48, 31,071.50 and 12,444.32 is: 17,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.48 : 31,071.50 = 12,444.32 : x
  2. Step 2: Convert to fraction form
    22,516.48/31,071.50 = 12,444.32/x
  3. Step 3: Cross multiply
    22,516.48x = 31,071.50 × 12,444.32
  4. Step 4: Simplify right side
    22,516.48x = 386,663,688.88
  5. Step 5: Solve for x
    x = 386,663,688.88/22,516.48
  6. Step 6: Final answer
    x = 17,172.47

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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.