Home / 15,805.02-23,711.04-5,416.50

Finding the Fourth Proportional to 15,805.02, 23,711.04 and 5,416.50

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Solution

The fourth proportional to 15,805.02, 23,711.04 and 5,416.50 is: 8,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.02 : 23,711.04 = 5,416.50 : x
  2. Step 2: Convert to fraction form
    15,805.02/23,711.04 = 5,416.50/x
  3. Step 3: Cross multiply
    15,805.02x = 23,711.04 × 5,416.50
  4. Step 4: Simplify right side
    15,805.02x = 128,430,848.16
  5. Step 5: Solve for x
    x = 128,430,848.16/15,805.02
  6. Step 6: Final answer
    x = 8,125.95

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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.