Home / 13,252.95-18,290.23-7,285.78

Finding the Fourth Proportional to 13,252.95, 18,290.23 and 7,285.78

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Solution

The fourth proportional to 13,252.95, 18,290.23 and 7,285.78 is: 10,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.95 : 18,290.23 = 7,285.78 : x
  2. Step 2: Convert to fraction form
    13,252.95/18,290.23 = 7,285.78/x
  3. Step 3: Cross multiply
    13,252.95x = 18,290.23 × 7,285.78
  4. Step 4: Simplify right side
    13,252.95x = 133,258,500.48
  5. Step 5: Solve for x
    x = 133,258,500.48/13,252.95
  6. Step 6: Final answer
    x = 10,055.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.