Home / 13,261.65-18,301.53-7,293.77

Finding the Fourth Proportional to 13,261.65, 18,301.53 and 7,293.77

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Solution

The fourth proportional to 13,261.65, 18,301.53 and 7,293.77 is: 10,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.65 : 18,301.53 = 7,293.77 : x
  2. Step 2: Convert to fraction form
    13,261.65/18,301.53 = 7,293.77/x
  3. Step 3: Cross multiply
    13,261.65x = 18,301.53 × 7,293.77
  4. Step 4: Simplify right side
    13,261.65x = 133,487,150.47
  5. Step 5: Solve for x
    x = 133,487,150.47/13,261.65
  6. Step 6: Final answer
    x = 10,065.65

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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.