Home / 10,515.18-14,510.85-5,799.47

Finding the Fourth Proportional to 10,515.18, 14,510.85 and 5,799.47

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Solution

The fourth proportional to 10,515.18, 14,510.85 and 5,799.47 is: 8,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.18 : 14,510.85 = 5,799.47 : x
  2. Step 2: Convert to fraction form
    10,515.18/14,510.85 = 5,799.47/x
  3. Step 3: Cross multiply
    10,515.18x = 14,510.85 × 5,799.47
  4. Step 4: Simplify right side
    10,515.18x = 84,155,144.95
  5. Step 5: Solve for x
    x = 84,155,144.95/10,515.18
  6. Step 6: Final answer
    x = 8,003.20

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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.