Home / 12,545.12-17,312.34-6,956.12

Finding the Fourth Proportional to 12,545.12, 17,312.34 and 6,956.12

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Solution

The fourth proportional to 12,545.12, 17,312.34 and 6,956.12 is: 9,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.12 : 17,312.34 = 6,956.12 : x
  2. Step 2: Convert to fraction form
    12,545.12/17,312.34 = 6,956.12/x
  3. Step 3: Cross multiply
    12,545.12x = 17,312.34 × 6,956.12
  4. Step 4: Simplify right side
    12,545.12x = 120,426,714.52
  5. Step 5: Solve for x
    x = 120,426,714.52/12,545.12
  6. Step 6: Final answer
    x = 9,599.49

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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.