Home / 13,441.61-18,548.39-7,472.93

Finding the Fourth Proportional to 13,441.61, 18,548.39 and 7,472.93

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Solution

The fourth proportional to 13,441.61, 18,548.39 and 7,472.93 is: 10,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.61 : 18,548.39 = 7,472.93 : x
  2. Step 2: Convert to fraction form
    13,441.61/18,548.39 = 7,472.93/x
  3. Step 3: Cross multiply
    13,441.61x = 18,548.39 × 7,472.93
  4. Step 4: Simplify right side
    13,441.61x = 138,610,746.02
  5. Step 5: Solve for x
    x = 138,610,746.02/13,441.61
  6. Step 6: Final answer
    x = 10,312.06

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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.