Home / 10,231.80-15,347.70-2,837.40

Finding the Fourth Proportional to 10,231.80, 15,347.70 and 2,837.40

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Solution

The fourth proportional to 10,231.80, 15,347.70 and 2,837.40 is: 4,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.80 : 15,347.70 = 2,837.40 : x
  2. Step 2: Convert to fraction form
    10,231.80/15,347.70 = 2,837.40/x
  3. Step 3: Cross multiply
    10,231.80x = 15,347.70 × 2,837.40
  4. Step 4: Simplify right side
    10,231.80x = 43,547,563.98
  5. Step 5: Solve for x
    x = 43,547,563.98/10,231.80
  6. Step 6: Final answer
    x = 4,256.10

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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.