Home / 12,637.34-17,439.58-6,972.08

Finding the Fourth Proportional to 12,637.34, 17,439.58 and 6,972.08

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Solution

The fourth proportional to 12,637.34, 17,439.58 and 6,972.08 is: 9,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.34 : 17,439.58 = 6,972.08 : x
  2. Step 2: Convert to fraction form
    12,637.34/17,439.58 = 6,972.08/x
  3. Step 3: Cross multiply
    12,637.34x = 17,439.58 × 6,972.08
  4. Step 4: Simplify right side
    12,637.34x = 121,590,207.96
  5. Step 5: Solve for x
    x = 121,590,207.96/12,637.34
  6. Step 6: Final answer
    x = 9,621.51

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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.