Home / 10,326.65-15,403.95-9,330.08

Finding the Fourth Proportional to 10,326.65, 15,403.95 and 9,330.08

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Solution

The fourth proportional to 10,326.65, 15,403.95 and 9,330.08 is: 13,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.65 : 15,403.95 = 9,330.08 : x
  2. Step 2: Convert to fraction form
    10,326.65/15,403.95 = 9,330.08/x
  3. Step 3: Cross multiply
    10,326.65x = 15,403.95 × 9,330.08
  4. Step 4: Simplify right side
    10,326.65x = 143,720,008.80
  5. Step 5: Solve for x
    x = 143,720,008.80/10,326.65
  6. Step 6: Final answer
    x = 13,917.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.