Home / 15,326.80-21,150.66-9,041.20

Finding the Fourth Proportional to 15,326.80, 21,150.66 and 9,041.20

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Solution

The fourth proportional to 15,326.80, 21,150.66 and 9,041.20 is: 12,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.80 : 21,150.66 = 9,041.20 : x
  2. Step 2: Convert to fraction form
    15,326.80/21,150.66 = 9,041.20/x
  3. Step 3: Cross multiply
    15,326.80x = 21,150.66 × 9,041.20
  4. Step 4: Simplify right side
    15,326.80x = 191,227,347.19
  5. Step 5: Solve for x
    x = 191,227,347.19/15,326.80
  6. Step 6: Final answer
    x = 12,476.66

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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.