Home / 10,365.40-15,547.82-2,574.12

Finding the Fourth Proportional to 10,365.40, 15,547.82 and 2,574.12

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Solution

The fourth proportional to 10,365.40, 15,547.82 and 2,574.12 is: 3,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.40 : 15,547.82 = 2,574.12 : x
  2. Step 2: Convert to fraction form
    10,365.40/15,547.82 = 2,574.12/x
  3. Step 3: Cross multiply
    10,365.40x = 15,547.82 × 2,574.12
  4. Step 4: Simplify right side
    10,365.40x = 40,021,954.42
  5. Step 5: Solve for x
    x = 40,021,954.42/10,365.40
  6. Step 6: Final answer
    x = 3,861.11

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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.