Home / 16,335.30-22,547.79-12,984.06

Finding the Fourth Proportional to 16,335.30, 22,547.79 and 12,984.06

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Solution

The fourth proportional to 16,335.30, 22,547.79 and 12,984.06 is: 17,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.30 : 22,547.79 = 12,984.06 : x
  2. Step 2: Convert to fraction form
    16,335.30/22,547.79 = 12,984.06/x
  3. Step 3: Cross multiply
    16,335.30x = 22,547.79 × 12,984.06
  4. Step 4: Simplify right side
    16,335.30x = 292,761,858.23
  5. Step 5: Solve for x
    x = 292,761,858.23/16,335.30
  6. Step 6: Final answer
    x = 17,922.04

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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.