Home / 14,320.08-19,761.66-7,947.64

Finding the Fourth Proportional to 14,320.08, 19,761.66 and 7,947.64

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Solution

The fourth proportional to 14,320.08, 19,761.66 and 7,947.64 is: 10,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.08 : 19,761.66 = 7,947.64 : x
  2. Step 2: Convert to fraction form
    14,320.08/19,761.66 = 7,947.64/x
  3. Step 3: Cross multiply
    14,320.08x = 19,761.66 × 7,947.64
  4. Step 4: Simplify right side
    14,320.08x = 157,058,559.48
  5. Step 5: Solve for x
    x = 157,058,559.48/14,320.08
  6. Step 6: Final answer
    x = 10,967.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.