Home / 15,681.79-23,508.10-5,286.25

Finding the Fourth Proportional to 15,681.79, 23,508.10 and 5,286.25

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Solution

The fourth proportional to 15,681.79, 23,508.10 and 5,286.25 is: 7,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.79 : 23,508.10 = 5,286.25 : x
  2. Step 2: Convert to fraction form
    15,681.79/23,508.10 = 5,286.25/x
  3. Step 3: Cross multiply
    15,681.79x = 23,508.10 × 5,286.25
  4. Step 4: Simplify right side
    15,681.79x = 124,269,693.63
  5. Step 5: Solve for x
    x = 124,269,693.63/15,681.79
  6. Step 6: Final answer
    x = 7,924.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.