Home / 12,895.04-19,338.36-6,654.16

Finding the Fourth Proportional to 12,895.04, 19,338.36 and 6,654.16

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Solution

The fourth proportional to 12,895.04, 19,338.36 and 6,654.16 is: 9,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.04 : 19,338.36 = 6,654.16 : x
  2. Step 2: Convert to fraction form
    12,895.04/19,338.36 = 6,654.16/x
  3. Step 3: Cross multiply
    12,895.04x = 19,338.36 × 6,654.16
  4. Step 4: Simplify right side
    12,895.04x = 128,680,541.58
  5. Step 5: Solve for x
    x = 128,680,541.58/12,895.04
  6. Step 6: Final answer
    x = 9,979.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.