Home / 21,217.16-29,283.24-12,263.12

Finding the Fourth Proportional to 21,217.16, 29,283.24 and 12,263.12

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Solution

The fourth proportional to 21,217.16, 29,283.24 and 12,263.12 is: 16,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217.16 : 29,283.24 = 12,263.12 : x
  2. Step 2: Convert to fraction form
    21,217.16/29,283.24 = 12,263.12/x
  3. Step 3: Cross multiply
    21,217.16x = 29,283.24 × 12,263.12
  4. Step 4: Simplify right side
    21,217.16x = 359,103,886.11
  5. Step 5: Solve for x
    x = 359,103,886.11/21,217.16
  6. Step 6: Final answer
    x = 16,925.16

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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.