Home / 13,430.95-18,535.04-7,462.87

Finding the Fourth Proportional to 13,430.95, 18,535.04 and 7,462.87

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Solution

The fourth proportional to 13,430.95, 18,535.04 and 7,462.87 is: 10,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.95 : 18,535.04 = 7,462.87 : x
  2. Step 2: Convert to fraction form
    13,430.95/18,535.04 = 7,462.87/x
  3. Step 3: Cross multiply
    13,430.95x = 18,535.04 × 7,462.87
  4. Step 4: Simplify right side
    13,430.95x = 138,324,593.96
  5. Step 5: Solve for x
    x = 138,324,593.96/13,430.95
  6. Step 6: Final answer
    x = 10,298.94

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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.