Home / 10,259.92-15,389.65-2,864.21

Finding the Fourth Proportional to 10,259.92, 15,389.65 and 2,864.21

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Solution

The fourth proportional to 10,259.92, 15,389.65 and 2,864.21 is: 4,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.92 : 15,389.65 = 2,864.21 : x
  2. Step 2: Convert to fraction form
    10,259.92/15,389.65 = 2,864.21/x
  3. Step 3: Cross multiply
    10,259.92x = 15,389.65 × 2,864.21
  4. Step 4: Simplify right side
    10,259.92x = 44,079,186.51
  5. Step 5: Solve for x
    x = 44,079,186.51/10,259.92
  6. Step 6: Final answer
    x = 4,296.25

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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.