Home / 9,135.59-13,707.61-4,970.63

Finding the Fourth Proportional to 9,135.59, 13,707.61 and 4,970.63

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Solution

The fourth proportional to 9,135.59, 13,707.61 and 4,970.63 is: 7,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.59 : 13,707.61 = 4,970.63 : x
  2. Step 2: Convert to fraction form
    9,135.59/13,707.61 = 4,970.63/x
  3. Step 3: Cross multiply
    9,135.59x = 13,707.61 × 4,970.63
  4. Step 4: Simplify right side
    9,135.59x = 68,135,479.34
  5. Step 5: Solve for x
    x = 68,135,479.34/9,135.59
  6. Step 6: Final answer
    x = 7,458.25

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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.