Home / 13,332.51-19,987.97-5,547.15

Finding the Fourth Proportional to 13,332.51, 19,987.97 and 5,547.15

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Solution

The fourth proportional to 13,332.51, 19,987.97 and 5,547.15 is: 8,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.51 : 19,987.97 = 5,547.15 : x
  2. Step 2: Convert to fraction form
    13,332.51/19,987.97 = 5,547.15/x
  3. Step 3: Cross multiply
    13,332.51x = 19,987.97 × 5,547.15
  4. Step 4: Simplify right side
    13,332.51x = 110,876,240.05
  5. Step 5: Solve for x
    x = 110,876,240.05/13,332.51
  6. Step 6: Final answer
    x = 8,316.23

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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.