Home / 13,305.95-18,360.80-7,337.26

Finding the Fourth Proportional to 13,305.95, 18,360.80 and 7,337.26

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Solution

The fourth proportional to 13,305.95, 18,360.80 and 7,337.26 is: 10,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.95 : 18,360.80 = 7,337.26 : x
  2. Step 2: Convert to fraction form
    13,305.95/18,360.80 = 7,337.26/x
  3. Step 3: Cross multiply
    13,305.95x = 18,360.80 × 7,337.26
  4. Step 4: Simplify right side
    13,305.95x = 134,717,963.41
  5. Step 5: Solve for x
    x = 134,717,963.41/13,305.95
  6. Step 6: Final answer
    x = 10,124.64

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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.