Home / 17,864.40-24,653.04-9,907.28

Finding the Fourth Proportional to 17,864.40, 24,653.04 and 9,907.28

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Solution

The fourth proportional to 17,864.40, 24,653.04 and 9,907.28 is: 13,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.40 : 24,653.04 = 9,907.28 : x
  2. Step 2: Convert to fraction form
    17,864.40/24,653.04 = 9,907.28/x
  3. Step 3: Cross multiply
    17,864.40x = 24,653.04 × 9,907.28
  4. Step 4: Simplify right side
    17,864.40x = 244,244,570.13
  5. Step 5: Solve for x
    x = 244,244,570.13/17,864.40
  6. Step 6: Final answer
    x = 13,672.14

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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.