Home / 8,981.55-13,455.91-6,510.24

Finding the Fourth Proportional to 8,981.55, 13,455.91 and 6,510.24

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Solution

The fourth proportional to 8,981.55, 13,455.91 and 6,510.24 is: 9,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.55 : 13,455.91 = 6,510.24 : x
  2. Step 2: Convert to fraction form
    8,981.55/13,455.91 = 6,510.24/x
  3. Step 3: Cross multiply
    8,981.55x = 13,455.91 × 6,510.24
  4. Step 4: Simplify right side
    8,981.55x = 87,601,175.04
  5. Step 5: Solve for x
    x = 87,601,175.04/8,981.55
  6. Step 6: Final answer
    x = 9,753.46

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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.