Home / 9,421.26-13,001.36-5,442.35

Finding the Fourth Proportional to 9,421.26, 13,001.36 and 5,442.35

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Solution

The fourth proportional to 9,421.26, 13,001.36 and 5,442.35 is: 7,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.26 : 13,001.36 = 5,442.35 : x
  2. Step 2: Convert to fraction form
    9,421.26/13,001.36 = 5,442.35/x
  3. Step 3: Cross multiply
    9,421.26x = 13,001.36 × 5,442.35
  4. Step 4: Simplify right side
    9,421.26x = 70,757,859.38
  5. Step 5: Solve for x
    x = 70,757,859.38/9,421.26
  6. Step 6: Final answer
    x = 7,510.45

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Half scale
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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.