Home / 13,526.61-18,667.11-7,558.95

Finding the Fourth Proportional to 13,526.61, 18,667.11 and 7,558.95

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Solution

The fourth proportional to 13,526.61, 18,667.11 and 7,558.95 is: 10,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.61 : 18,667.11 = 7,558.95 : x
  2. Step 2: Convert to fraction form
    13,526.61/18,667.11 = 7,558.95/x
  3. Step 3: Cross multiply
    13,526.61x = 18,667.11 × 7,558.95
  4. Step 4: Simplify right side
    13,526.61x = 141,103,751.13
  5. Step 5: Solve for x
    x = 141,103,751.13/13,526.61
  6. Step 6: Final answer
    x = 10,431.57

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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.