Home / 9,430.29-14,143.61-8,961.98

Finding the Fourth Proportional to 9,430.29, 14,143.61 and 8,961.98

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Solution

The fourth proportional to 9,430.29, 14,143.61 and 8,961.98 is: 13,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.29 : 14,143.61 = 8,961.98 : x
  2. Step 2: Convert to fraction form
    9,430.29/14,143.61 = 8,961.98/x
  3. Step 3: Cross multiply
    9,430.29x = 14,143.61 × 8,961.98
  4. Step 4: Simplify right side
    9,430.29x = 126,754,701.63
  5. Step 5: Solve for x
    x = 126,754,701.63/9,430.29
  6. Step 6: Final answer
    x = 13,441.23

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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.