Home / 21,730.01-32,553.63-12,376.48

Finding the Fourth Proportional to 21,730.01, 32,553.63 and 12,376.48

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Solution

The fourth proportional to 21,730.01, 32,553.63 and 12,376.48 is: 18,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.01 : 32,553.63 = 12,376.48 : x
  2. Step 2: Convert to fraction form
    21,730.01/32,553.63 = 12,376.48/x
  3. Step 3: Cross multiply
    21,730.01x = 32,553.63 × 12,376.48
  4. Step 4: Simplify right side
    21,730.01x = 402,899,462.95
  5. Step 5: Solve for x
    x = 402,899,462.95/21,730.01
  6. Step 6: Final answer
    x = 18,541.16

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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.