Home / 13,037.18-19,559.40-4,278.24

Finding the Fourth Proportional to 13,037.18, 19,559.40 and 4,278.24

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Solution

The fourth proportional to 13,037.18, 19,559.40 and 4,278.24 is: 6,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.18 : 19,559.40 = 4,278.24 : x
  2. Step 2: Convert to fraction form
    13,037.18/19,559.40 = 4,278.24/x
  3. Step 3: Cross multiply
    13,037.18x = 19,559.40 × 4,278.24
  4. Step 4: Simplify right side
    13,037.18x = 83,679,807.46
  5. Step 5: Solve for x
    x = 83,679,807.46/13,037.18
  6. Step 6: Final answer
    x = 6,418.55

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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.