Home / 21,410.17-29,552.35-12,461.65

Finding the Fourth Proportional to 21,410.17, 29,552.35 and 12,461.65

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Solution

The fourth proportional to 21,410.17, 29,552.35 and 12,461.65 is: 17,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.17 : 29,552.35 = 12,461.65 : x
  2. Step 2: Convert to fraction form
    21,410.17/29,552.35 = 12,461.65/x
  3. Step 3: Cross multiply
    21,410.17x = 29,552.35 × 12,461.65
  4. Step 4: Simplify right side
    21,410.17x = 368,270,937.34
  5. Step 5: Solve for x
    x = 368,270,937.34/21,410.17
  6. Step 6: Final answer
    x = 17,200.75

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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.