Home / 22,680.08-31,298.67-12,471.29

Finding the Fourth Proportional to 22,680.08, 31,298.67 and 12,471.29

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Solution

The fourth proportional to 22,680.08, 31,298.67 and 12,471.29 is: 17,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.08 : 31,298.67 = 12,471.29 : x
  2. Step 2: Convert to fraction form
    22,680.08/31,298.67 = 12,471.29/x
  3. Step 3: Cross multiply
    22,680.08x = 31,298.67 × 12,471.29
  4. Step 4: Simplify right side
    22,680.08x = 390,334,633.69
  5. Step 5: Solve for x
    x = 390,334,633.69/22,680.08
  6. Step 6: Final answer
    x = 17,210.46

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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.