Home / 10,430.66-14,400.96-9,309.62

Finding the Fourth Proportional to 10,430.66, 14,400.96 and 9,309.62

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Solution

The fourth proportional to 10,430.66, 14,400.96 and 9,309.62 is: 12,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.66 : 14,400.96 = 9,309.62 : x
  2. Step 2: Convert to fraction form
    10,430.66/14,400.96 = 9,309.62/x
  3. Step 3: Cross multiply
    10,430.66x = 14,400.96 × 9,309.62
  4. Step 4: Simplify right side
    10,430.66x = 134,067,465.24
  5. Step 5: Solve for x
    x = 134,067,465.24/10,430.66
  6. Step 6: Final answer
    x = 12,853.21

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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.