Home / 9,647.04-13,312.88-5,456.64

Finding the Fourth Proportional to 9,647.04, 13,312.88 and 5,456.64

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Solution

The fourth proportional to 9,647.04, 13,312.88 and 5,456.64 is: 7,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.04 : 13,312.88 = 5,456.64 : x
  2. Step 2: Convert to fraction form
    9,647.04/13,312.88 = 5,456.64/x
  3. Step 3: Cross multiply
    9,647.04x = 13,312.88 × 5,456.64
  4. Step 4: Simplify right side
    9,647.04x = 72,643,593.52
  5. Step 5: Solve for x
    x = 72,643,593.52/9,647.04
  6. Step 6: Final answer
    x = 7,530.14

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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.