Home / 9,964.80-14,947.20-3,038.40

Finding the Fourth Proportional to 9,964.80, 14,947.20 and 3,038.40

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Solution

The fourth proportional to 9,964.80, 14,947.20 and 3,038.40 is: 4,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.80 : 14,947.20 = 3,038.40 : x
  2. Step 2: Convert to fraction form
    9,964.80/14,947.20 = 3,038.40/x
  3. Step 3: Cross multiply
    9,964.80x = 14,947.20 × 3,038.40
  4. Step 4: Simplify right side
    9,964.80x = 45,415,572.48
  5. Step 5: Solve for x
    x = 45,415,572.48/9,964.80
  6. Step 6: Final answer
    x = 4,557.60

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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.