Home / 22,110.12-30,506.72-12,547.92

Finding the Fourth Proportional to 22,110.12, 30,506.72 and 12,547.92

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Solution

The fourth proportional to 22,110.12, 30,506.72 and 12,547.92 is: 17,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.12 : 30,506.72 = 12,547.92 : x
  2. Step 2: Convert to fraction form
    22,110.12/30,506.72 = 12,547.92/x
  3. Step 3: Cross multiply
    22,110.12x = 30,506.72 × 12,547.92
  4. Step 4: Simplify right side
    22,110.12x = 382,795,760.86
  5. Step 5: Solve for x
    x = 382,795,760.86/22,110.12
  6. Step 6: Final answer
    x = 17,313.15

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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.