Home / 13,434.24-20,151.48-7,590.72

Finding the Fourth Proportional to 13,434.24, 20,151.48 and 7,590.72

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Solution

The fourth proportional to 13,434.24, 20,151.48 and 7,590.72 is: 11,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.24 : 20,151.48 = 7,590.72 : x
  2. Step 2: Convert to fraction form
    13,434.24/20,151.48 = 7,590.72/x
  3. Step 3: Cross multiply
    13,434.24x = 20,151.48 × 7,590.72
  4. Step 4: Simplify right side
    13,434.24x = 152,964,242.27
  5. Step 5: Solve for x
    x = 152,964,242.27/13,434.24
  6. Step 6: Final answer
    x = 11,386.15

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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.