Home / 19,534.64-29,301.55-4,743.63

Finding the Fourth Proportional to 19,534.64, 29,301.55 and 4,743.63

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Solution

The fourth proportional to 19,534.64, 29,301.55 and 4,743.63 is: 7,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.64 : 29,301.55 = 4,743.63 : x
  2. Step 2: Convert to fraction form
    19,534.64/29,301.55 = 4,743.63/x
  3. Step 3: Cross multiply
    19,534.64x = 29,301.55 × 4,743.63
  4. Step 4: Simplify right side
    19,534.64x = 138,995,699.77
  5. Step 5: Solve for x
    x = 138,995,699.77/19,534.64
  6. Step 6: Final answer
    x = 7,115.35

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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.