Home / 15,038.36-22,557.06-7,146.54

Finding the Fourth Proportional to 15,038.36, 22,557.06 and 7,146.54

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Solution

The fourth proportional to 15,038.36, 22,557.06 and 7,146.54 is: 10,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.36 : 22,557.06 = 7,146.54 : x
  2. Step 2: Convert to fraction form
    15,038.36/22,557.06 = 7,146.54/x
  3. Step 3: Cross multiply
    15,038.36x = 22,557.06 × 7,146.54
  4. Step 4: Simplify right side
    15,038.36x = 161,204,931.57
  5. Step 5: Solve for x
    x = 161,204,931.57/15,038.36
  6. Step 6: Final answer
    x = 10,719.58

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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.