Home / 21,712.68-32,569.01-6,130.31

Finding the Fourth Proportional to 21,712.68, 32,569.01 and 6,130.31

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Solution

The fourth proportional to 21,712.68, 32,569.01 and 6,130.31 is: 9,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.68 : 32,569.01 = 6,130.31 : x
  2. Step 2: Convert to fraction form
    21,712.68/32,569.01 = 6,130.31/x
  3. Step 3: Cross multiply
    21,712.68x = 32,569.01 × 6,130.31
  4. Step 4: Simplify right side
    21,712.68x = 199,657,934.20
  5. Step 5: Solve for x
    x = 199,657,934.20/21,712.68
  6. Step 6: Final answer
    x = 9,195.45

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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.