Home / 13,261.65-18,300.72-7,293.32

Finding the Fourth Proportional to 13,261.65, 18,300.72 and 7,293.32

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Solution

The fourth proportional to 13,261.65, 18,300.72 and 7,293.32 is: 10,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.65 : 18,300.72 = 7,293.32 : x
  2. Step 2: Convert to fraction form
    13,261.65/18,300.72 = 7,293.32/x
  3. Step 3: Cross multiply
    13,261.65x = 18,300.72 × 7,293.32
  4. Step 4: Simplify right side
    13,261.65x = 133,473,001.60
  5. Step 5: Solve for x
    x = 133,473,001.60/13,261.65
  6. Step 6: Final answer
    x = 10,064.58

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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.