Home / 19,417.12-29,125.88-5,378.00

Finding the Fourth Proportional to 19,417.12, 29,125.88 and 5,378.00

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Solution

The fourth proportional to 19,417.12, 29,125.88 and 5,378.00 is: 8,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.12 : 29,125.88 = 5,378.00 : x
  2. Step 2: Convert to fraction form
    19,417.12/29,125.88 = 5,378.00/x
  3. Step 3: Cross multiply
    19,417.12x = 29,125.88 × 5,378.00
  4. Step 4: Simplify right side
    19,417.12x = 156,638,830.29
  5. Step 5: Solve for x
    x = 156,638,830.29/19,417.12
  6. Step 6: Final answer
    x = 8,067.05

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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.