Home / 10,417.81-15,619.75-5,740.06

Finding the Fourth Proportional to 10,417.81, 15,619.75 and 5,740.06

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Solution

The fourth proportional to 10,417.81, 15,619.75 and 5,740.06 is: 8,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.81 : 15,619.75 = 5,740.06 : x
  2. Step 2: Convert to fraction form
    10,417.81/15,619.75 = 5,740.06/x
  3. Step 3: Cross multiply
    10,417.81x = 15,619.75 × 5,740.06
  4. Step 4: Simplify right side
    10,417.81x = 89,658,248.79
  5. Step 5: Solve for x
    x = 89,658,248.79/10,417.81
  6. Step 6: Final answer
    x = 8,606.25

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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.