Home / 15,037.36-22,555.56-7,145.55

Finding the Fourth Proportional to 15,037.36, 22,555.56 and 7,145.55

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Solution

The fourth proportional to 15,037.36, 22,555.56 and 7,145.55 is: 10,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.36 : 22,555.56 = 7,145.55 : x
  2. Step 2: Convert to fraction form
    15,037.36/22,555.56 = 7,145.55/x
  3. Step 3: Cross multiply
    15,037.36x = 22,555.56 × 7,145.55
  4. Step 4: Simplify right side
    15,037.36x = 161,171,881.76
  5. Step 5: Solve for x
    x = 161,171,881.76/15,037.36
  6. Step 6: Final answer
    x = 10,718.10

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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.