Home / 10,170.72-15,267.06-8,545.32

Finding the Fourth Proportional to 10,170.72, 15,267.06 and 8,545.32

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Solution

The fourth proportional to 10,170.72, 15,267.06 and 8,545.32 is: 12,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.72 : 15,267.06 = 8,545.32 : x
  2. Step 2: Convert to fraction form
    10,170.72/15,267.06 = 8,545.32/x
  3. Step 3: Cross multiply
    10,170.72x = 15,267.06 × 8,545.32
  4. Step 4: Simplify right side
    10,170.72x = 130,461,913.16
  5. Step 5: Solve for x
    x = 130,461,913.16/10,170.72
  6. Step 6: Final answer
    x = 12,827.21

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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.