Home / 34,085.60-51,130.96-9,125.10

Finding the Fourth Proportional to 34,085.60, 51,130.96 and 9,125.10

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Solution

The fourth proportional to 34,085.60, 51,130.96 and 9,125.10 is: 13,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.60 : 51,130.96 = 9,125.10 : x
  2. Step 2: Convert to fraction form
    34,085.60/51,130.96 = 9,125.10/x
  3. Step 3: Cross multiply
    34,085.60x = 51,130.96 × 9,125.10
  4. Step 4: Simplify right side
    34,085.60x = 466,574,867.44
  5. Step 5: Solve for x
    x = 466,574,867.44/34,085.60
  6. Step 6: Final answer
    x = 13,688.33

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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.