Home / 10,312.66-15,468.96-2,521.47

Finding the Fourth Proportional to 10,312.66, 15,468.96 and 2,521.47

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Solution

The fourth proportional to 10,312.66, 15,468.96 and 2,521.47 is: 3,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.66 : 15,468.96 = 2,521.47 : x
  2. Step 2: Convert to fraction form
    10,312.66/15,468.96 = 2,521.47/x
  3. Step 3: Cross multiply
    10,312.66x = 15,468.96 × 2,521.47
  4. Step 4: Simplify right side
    10,312.66x = 39,004,518.57
  5. Step 5: Solve for x
    x = 39,004,518.57/10,312.66
  6. Step 6: Final answer
    x = 3,782.20

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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.