Home / 10,085.74-15,128.48-4,535.16

Finding the Fourth Proportional to 10,085.74, 15,128.48 and 4,535.16

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Solution

The fourth proportional to 10,085.74, 15,128.48 and 4,535.16 is: 6,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.74 : 15,128.48 = 4,535.16 : x
  2. Step 2: Convert to fraction form
    10,085.74/15,128.48 = 4,535.16/x
  3. Step 3: Cross multiply
    10,085.74x = 15,128.48 × 4,535.16
  4. Step 4: Simplify right side
    10,085.74x = 68,610,091.55
  5. Step 5: Solve for x
    x = 68,610,091.55/10,085.74
  6. Step 6: Final answer
    x = 6,802.68

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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.