Home / 9,412.62-13,002.93-7,521.72

Finding the Fourth Proportional to 9,412.62, 13,002.93 and 7,521.72

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Solution

The fourth proportional to 9,412.62, 13,002.93 and 7,521.72 is: 10,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.62 : 13,002.93 = 7,521.72 : x
  2. Step 2: Convert to fraction form
    9,412.62/13,002.93 = 7,521.72/x
  3. Step 3: Cross multiply
    9,412.62x = 13,002.93 × 7,521.72
  4. Step 4: Simplify right side
    9,412.62x = 97,804,398.64
  5. Step 5: Solve for x
    x = 97,804,398.64/9,412.62
  6. Step 6: Final answer
    x = 10,390.77

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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.