Home / 15,326.66-21,154.83-9,043.22

Finding the Fourth Proportional to 15,326.66, 21,154.83 and 9,043.22

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Solution

The fourth proportional to 15,326.66, 21,154.83 and 9,043.22 is: 12,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.66 : 21,154.83 = 9,043.22 : x
  2. Step 2: Convert to fraction form
    15,326.66/21,154.83 = 9,043.22/x
  3. Step 3: Cross multiply
    15,326.66x = 21,154.83 × 9,043.22
  4. Step 4: Simplify right side
    15,326.66x = 191,307,781.75
  5. Step 5: Solve for x
    x = 191,307,781.75/15,326.66
  6. Step 6: Final answer
    x = 12,482.03

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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.