Home / 21,462.32-29,617.26-12,510.20

Finding the Fourth Proportional to 21,462.32, 29,617.26 and 12,510.20

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Solution

The fourth proportional to 21,462.32, 29,617.26 and 12,510.20 is: 17,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.32 : 29,617.26 = 12,510.20 : x
  2. Step 2: Convert to fraction form
    21,462.32/29,617.26 = 12,510.20/x
  3. Step 3: Cross multiply
    21,462.32x = 29,617.26 × 12,510.20
  4. Step 4: Simplify right side
    21,462.32x = 370,517,846.05
  5. Step 5: Solve for x
    x = 370,517,846.05/21,462.32
  6. Step 6: Final answer
    x = 17,263.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.