Home / 10,430.52-14,400.84-9,309.56

Finding the Fourth Proportional to 10,430.52, 14,400.84 and 9,309.56

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Solution

The fourth proportional to 10,430.52, 14,400.84 and 9,309.56 is: 12,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.52 : 14,400.84 = 9,309.56 : x
  2. Step 2: Convert to fraction form
    10,430.52/14,400.84 = 9,309.56/x
  3. Step 3: Cross multiply
    10,430.52x = 14,400.84 × 9,309.56
  4. Step 4: Simplify right side
    10,430.52x = 134,065,484.03
  5. Step 5: Solve for x
    x = 134,065,484.03/10,430.52
  6. Step 6: Final answer
    x = 12,853.19

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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.