Home / 10,510.20-15,746.10-8,551.80

Finding the Fourth Proportional to 10,510.20, 15,746.10 and 8,551.80

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Solution

The fourth proportional to 10,510.20, 15,746.10 and 8,551.80 is: 12,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.20 : 15,746.10 = 8,551.80 : x
  2. Step 2: Convert to fraction form
    10,510.20/15,746.10 = 8,551.80/x
  3. Step 3: Cross multiply
    10,510.20x = 15,746.10 × 8,551.80
  4. Step 4: Simplify right side
    10,510.20x = 134,657,497.98
  5. Step 5: Solve for x
    x = 134,657,497.98/10,510.20
  6. Step 6: Final answer
    x = 12,812.08

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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.