Home / 9,009.24-12,437.16-6,988.08

Finding the Fourth Proportional to 9,009.24, 12,437.16 and 6,988.08

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Solution

The fourth proportional to 9,009.24, 12,437.16 and 6,988.08 is: 9,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.24 : 12,437.16 = 6,988.08 : x
  2. Step 2: Convert to fraction form
    9,009.24/12,437.16 = 6,988.08/x
  3. Step 3: Cross multiply
    9,009.24x = 12,437.16 × 6,988.08
  4. Step 4: Simplify right side
    9,009.24x = 86,911,869.05
  5. Step 5: Solve for x
    x = 86,911,869.05/9,009.24
  6. Step 6: Final answer
    x = 9,646.97

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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.