Home / 9,430.20-12,998.70-7,437.51

Finding the Fourth Proportional to 9,430.20, 12,998.70 and 7,437.51

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Solution

The fourth proportional to 9,430.20, 12,998.70 and 7,437.51 is: 10,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.20 : 12,998.70 = 7,437.51 : x
  2. Step 2: Convert to fraction form
    9,430.20/12,998.70 = 7,437.51/x
  3. Step 3: Cross multiply
    9,430.20x = 12,998.70 × 7,437.51
  4. Step 4: Simplify right side
    9,430.20x = 96,677,961.24
  5. Step 5: Solve for x
    x = 96,677,961.24/9,430.20
  6. Step 6: Final answer
    x = 10,251.95

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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.