Home / 12,621.10-17,417.04-6,955.88

Finding the Fourth Proportional to 12,621.10, 17,417.04 and 6,955.88

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Solution

The fourth proportional to 12,621.10, 17,417.04 and 6,955.88 is: 9,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.10 : 17,417.04 = 6,955.88 : x
  2. Step 2: Convert to fraction form
    12,621.10/17,417.04 = 6,955.88/x
  3. Step 3: Cross multiply
    12,621.10x = 17,417.04 × 6,955.88
  4. Step 4: Simplify right side
    12,621.10x = 121,150,840.20
  5. Step 5: Solve for x
    x = 121,150,840.20/12,621.10
  6. Step 6: Final answer
    x = 9,599.07

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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.