Home / 20,708.64-31,058.55-5,913.63

Finding the Fourth Proportional to 20,708.64, 31,058.55 and 5,913.63

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Solution

The fourth proportional to 20,708.64, 31,058.55 and 5,913.63 is: 8,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.64 : 31,058.55 = 5,913.63 : x
  2. Step 2: Convert to fraction form
    20,708.64/31,058.55 = 5,913.63/x
  3. Step 3: Cross multiply
    20,708.64x = 31,058.55 × 5,913.63
  4. Step 4: Simplify right side
    20,708.64x = 183,668,773.04
  5. Step 5: Solve for x
    x = 183,668,773.04/20,708.64
  6. Step 6: Final answer
    x = 8,869.19

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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.