Home / 15,621.61-23,402.98-7,714.87

Finding the Fourth Proportional to 15,621.61, 23,402.98 and 7,714.87

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Solution

The fourth proportional to 15,621.61, 23,402.98 and 7,714.87 is: 11,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.61 : 23,402.98 = 7,714.87 : x
  2. Step 2: Convert to fraction form
    15,621.61/23,402.98 = 7,714.87/x
  3. Step 3: Cross multiply
    15,621.61x = 23,402.98 × 7,714.87
  4. Step 4: Simplify right side
    15,621.61x = 180,550,889.81
  5. Step 5: Solve for x
    x = 180,550,889.81/15,621.61
  6. Step 6: Final answer
    x = 11,557.77

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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.