Home / 10,284.39-14,186.97-6,921.45

Finding the Fourth Proportional to 10,284.39, 14,186.97 and 6,921.45

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Solution

The fourth proportional to 10,284.39, 14,186.97 and 6,921.45 is: 9,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.39 : 14,186.97 = 6,921.45 : x
  2. Step 2: Convert to fraction form
    10,284.39/14,186.97 = 6,921.45/x
  3. Step 3: Cross multiply
    10,284.39x = 14,186.97 × 6,921.45
  4. Step 4: Simplify right side
    10,284.39x = 98,194,403.51
  5. Step 5: Solve for x
    x = 98,194,403.51/10,284.39
  6. Step 6: Final answer
    x = 9,547.91

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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.