Home / 9,669.90-14,502.86-3,430.12

Finding the Fourth Proportional to 9,669.90, 14,502.86 and 3,430.12

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Solution

The fourth proportional to 9,669.90, 14,502.86 and 3,430.12 is: 5,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.90 : 14,502.86 = 3,430.12 : x
  2. Step 2: Convert to fraction form
    9,669.90/14,502.86 = 3,430.12/x
  3. Step 3: Cross multiply
    9,669.90x = 14,502.86 × 3,430.12
  4. Step 4: Simplify right side
    9,669.90x = 49,746,550.14
  5. Step 5: Solve for x
    x = 49,746,550.14/9,669.90
  6. Step 6: Final answer
    x = 5,144.47

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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.