Home / 17,387.96-23,988.80-10,668.20

Finding the Fourth Proportional to 17,387.96, 23,988.80 and 10,668.20

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Solution

The fourth proportional to 17,387.96, 23,988.80 and 10,668.20 is: 14,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.96 : 23,988.80 = 10,668.20 : x
  2. Step 2: Convert to fraction form
    17,387.96/23,988.80 = 10,668.20/x
  3. Step 3: Cross multiply
    17,387.96x = 23,988.80 × 10,668.20
  4. Step 4: Simplify right side
    17,387.96x = 255,917,316.16
  5. Step 5: Solve for x
    x = 255,917,316.16/17,387.96
  6. Step 6: Final answer
    x = 14,718.08

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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.