Home / 13,253.01-18,290.32-7,285.84

Finding the Fourth Proportional to 13,253.01, 18,290.32 and 7,285.84

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Solution

The fourth proportional to 13,253.01, 18,290.32 and 7,285.84 is: 10,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.01 : 18,290.32 = 7,285.84 : x
  2. Step 2: Convert to fraction form
    13,253.01/18,290.32 = 7,285.84/x
  3. Step 3: Cross multiply
    13,253.01x = 18,290.32 × 7,285.84
  4. Step 4: Simplify right side
    13,253.01x = 133,260,281.13
  5. Step 5: Solve for x
    x = 133,260,281.13/13,253.01
  6. Step 6: Final answer
    x = 10,055.10

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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.