Home / 10,008.53-15,013.55-2,987.99

Finding the Fourth Proportional to 10,008.53, 15,013.55 and 2,987.99

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Solution

The fourth proportional to 10,008.53, 15,013.55 and 2,987.99 is: 4,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.53 : 15,013.55 = 2,987.99 : x
  2. Step 2: Convert to fraction form
    10,008.53/15,013.55 = 2,987.99/x
  3. Step 3: Cross multiply
    10,008.53x = 15,013.55 × 2,987.99
  4. Step 4: Simplify right side
    10,008.53x = 44,860,337.26
  5. Step 5: Solve for x
    x = 44,860,337.26/10,008.53
  6. Step 6: Final answer
    x = 4,482.21

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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.