Home / 11,979.81-16,547.16-10,097.64

Finding the Fourth Proportional to 11,979.81, 16,547.16 and 10,097.64

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Solution

The fourth proportional to 11,979.81, 16,547.16 and 10,097.64 is: 13,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.81 : 16,547.16 = 10,097.64 : x
  2. Step 2: Convert to fraction form
    11,979.81/16,547.16 = 10,097.64/x
  3. Step 3: Cross multiply
    11,979.81x = 16,547.16 × 10,097.64
  4. Step 4: Simplify right side
    11,979.81x = 167,087,264.70
  5. Step 5: Solve for x
    x = 167,087,264.70/11,979.81
  6. Step 6: Final answer
    x = 13,947.41

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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.