Home / 9,518.40-13,134.77-5,269.17

Finding the Fourth Proportional to 9,518.40, 13,134.77 and 5,269.17

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Solution

The fourth proportional to 9,518.40, 13,134.77 and 5,269.17 is: 7,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.40 : 13,134.77 = 5,269.17 : x
  2. Step 2: Convert to fraction form
    9,518.40/13,134.77 = 5,269.17/x
  3. Step 3: Cross multiply
    9,518.40x = 13,134.77 × 5,269.17
  4. Step 4: Simplify right side
    9,518.40x = 69,209,312.24
  5. Step 5: Solve for x
    x = 69,209,312.24/9,518.40
  6. Step 6: Final answer
    x = 7,271.11

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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.