Home / 9,645.76-13,312.02-5,453.92

Finding the Fourth Proportional to 9,645.76, 13,312.02 and 5,453.92

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Solution

The fourth proportional to 9,645.76, 13,312.02 and 5,453.92 is: 7,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.76 : 13,312.02 = 5,453.92 : x
  2. Step 2: Convert to fraction form
    9,645.76/13,312.02 = 5,453.92/x
  3. Step 3: Cross multiply
    9,645.76x = 13,312.02 × 5,453.92
  4. Step 4: Simplify right side
    9,645.76x = 72,602,692.12
  5. Step 5: Solve for x
    x = 72,602,692.12/9,645.76
  6. Step 6: Final answer
    x = 7,526.90

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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.