Home / 13,281.19-19,923.25-4,393.29

Finding the Fourth Proportional to 13,281.19, 19,923.25 and 4,393.29

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Solution

The fourth proportional to 13,281.19, 19,923.25 and 4,393.29 is: 6,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.19 : 19,923.25 = 4,393.29 : x
  2. Step 2: Convert to fraction form
    13,281.19/19,923.25 = 4,393.29/x
  3. Step 3: Cross multiply
    13,281.19x = 19,923.25 × 4,393.29
  4. Step 4: Simplify right side
    13,281.19x = 87,528,614.99
  5. Step 5: Solve for x
    x = 87,528,614.99/13,281.19
  6. Step 6: Final answer
    x = 6,590.42

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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.