Home / 12,275.18-16,946.16-9,580.61

Finding the Fourth Proportional to 12,275.18, 16,946.16 and 9,580.61

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Solution

The fourth proportional to 12,275.18, 16,946.16 and 9,580.61 is: 13,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.18 : 16,946.16 = 9,580.61 : x
  2. Step 2: Convert to fraction form
    12,275.18/16,946.16 = 9,580.61/x
  3. Step 3: Cross multiply
    12,275.18x = 16,946.16 × 9,580.61
  4. Step 4: Simplify right side
    12,275.18x = 162,354,610.29
  5. Step 5: Solve for x
    x = 162,354,610.29/12,275.18
  6. Step 6: Final answer
    x = 13,226.25

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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.