Home / 15,688.61-23,527.93-5,156.20

Finding the Fourth Proportional to 15,688.61, 23,527.93 and 5,156.20

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Solution

The fourth proportional to 15,688.61, 23,527.93 and 5,156.20 is: 7,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.61 : 23,527.93 = 5,156.20 : x
  2. Step 2: Convert to fraction form
    15,688.61/23,527.93 = 5,156.20/x
  3. Step 3: Cross multiply
    15,688.61x = 23,527.93 × 5,156.20
  4. Step 4: Simplify right side
    15,688.61x = 121,314,712.67
  5. Step 5: Solve for x
    x = 121,314,712.67/15,688.61
  6. Step 6: Final answer
    x = 7,732.66

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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.