Home / 15,328.66-23,038.86-12,713.38

Finding the Fourth Proportional to 15,328.66, 23,038.86 and 12,713.38

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Solution

The fourth proportional to 15,328.66, 23,038.86 and 12,713.38 is: 19,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.66 : 23,038.86 = 12,713.38 : x
  2. Step 2: Convert to fraction form
    15,328.66/23,038.86 = 12,713.38/x
  3. Step 3: Cross multiply
    15,328.66x = 23,038.86 × 12,713.38
  4. Step 4: Simplify right side
    15,328.66x = 292,901,781.95
  5. Step 5: Solve for x
    x = 292,901,781.95/15,328.66
  6. Step 6: Final answer
    x = 19,108.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.