Home / 10,621.01-15,931.51-3,225.44

Finding the Fourth Proportional to 10,621.01, 15,931.51 and 3,225.44

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Solution

The fourth proportional to 10,621.01, 15,931.51 and 3,225.44 is: 4,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.01 : 15,931.51 = 3,225.44 : x
  2. Step 2: Convert to fraction form
    10,621.01/15,931.51 = 3,225.44/x
  3. Step 3: Cross multiply
    10,621.01x = 15,931.51 × 3,225.44
  4. Step 4: Simplify right side
    10,621.01x = 51,386,129.61
  5. Step 5: Solve for x
    x = 51,386,129.61/10,621.01
  6. Step 6: Final answer
    x = 4,838.16

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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.