Home / 21,510.96-32,265.15-13,192.26

Finding the Fourth Proportional to 21,510.96, 32,265.15 and 13,192.26

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Solution

The fourth proportional to 21,510.96, 32,265.15 and 13,192.26 is: 19,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.96 : 32,265.15 = 13,192.26 : x
  2. Step 2: Convert to fraction form
    21,510.96/32,265.15 = 13,192.26/x
  3. Step 3: Cross multiply
    21,510.96x = 32,265.15 × 13,192.26
  4. Step 4: Simplify right side
    21,510.96x = 425,650,247.74
  5. Step 5: Solve for x
    x = 425,650,247.74/21,510.96
  6. Step 6: Final answer
    x = 19,787.60

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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.