Home / 13,158.48-19,737.84-4,393.36

Finding the Fourth Proportional to 13,158.48, 19,737.84 and 4,393.36

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Solution

The fourth proportional to 13,158.48, 19,737.84 and 4,393.36 is: 6,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.48 : 19,737.84 = 4,393.36 : x
  2. Step 2: Convert to fraction form
    13,158.48/19,737.84 = 4,393.36/x
  3. Step 3: Cross multiply
    13,158.48x = 19,737.84 × 4,393.36
  4. Step 4: Simplify right side
    13,158.48x = 86,715,436.74
  5. Step 5: Solve for x
    x = 86,715,436.74/13,158.48
  6. Step 6: Final answer
    x = 6,590.08

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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.