Home / 15,317.55-22,975.56-6,430.59

Finding the Fourth Proportional to 15,317.55, 22,975.56 and 6,430.59

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Solution

The fourth proportional to 15,317.55, 22,975.56 and 6,430.59 is: 9,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.55 : 22,975.56 = 6,430.59 : x
  2. Step 2: Convert to fraction form
    15,317.55/22,975.56 = 6,430.59/x
  3. Step 3: Cross multiply
    15,317.55x = 22,975.56 × 6,430.59
  4. Step 4: Simplify right side
    15,317.55x = 147,746,406.38
  5. Step 5: Solve for x
    x = 147,746,406.38/15,317.55
  6. Step 6: Final answer
    x = 9,645.56

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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.