Home / 12,620.59-17,417.18-6,955.32

Finding the Fourth Proportional to 12,620.59, 17,417.18 and 6,955.32

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Solution

The fourth proportional to 12,620.59, 17,417.18 and 6,955.32 is: 9,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.59 : 17,417.18 = 6,955.32 : x
  2. Step 2: Convert to fraction form
    12,620.59/17,417.18 = 6,955.32/x
  3. Step 3: Cross multiply
    12,620.59x = 17,417.18 × 6,955.32
  4. Step 4: Simplify right side
    12,620.59x = 121,142,060.40
  5. Step 5: Solve for x
    x = 121,142,060.40/12,620.59
  6. Step 6: Final answer
    x = 9,598.76

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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.