Home / 22,508.99-31,056.09-12,948.38

Finding the Fourth Proportional to 22,508.99, 31,056.09 and 12,948.38

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Solution

The fourth proportional to 22,508.99, 31,056.09 and 12,948.38 is: 17,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.99 : 31,056.09 = 12,948.38 : x
  2. Step 2: Convert to fraction form
    22,508.99/31,056.09 = 12,948.38/x
  3. Step 3: Cross multiply
    22,508.99x = 31,056.09 × 12,948.38
  4. Step 4: Simplify right side
    22,508.99x = 402,126,054.63
  5. Step 5: Solve for x
    x = 402,126,054.63/22,508.99
  6. Step 6: Final answer
    x = 17,865.13

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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.