Home / 10,460.71-15,615.80-8,963.81

Finding the Fourth Proportional to 10,460.71, 15,615.80 and 8,963.81

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Solution

The fourth proportional to 10,460.71, 15,615.80 and 8,963.81 is: 13,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.71 : 15,615.80 = 8,963.81 : x
  2. Step 2: Convert to fraction form
    10,460.71/15,615.80 = 8,963.81/x
  3. Step 3: Cross multiply
    10,460.71x = 15,615.80 × 8,963.81
  4. Step 4: Simplify right side
    10,460.71x = 139,977,064.20
  5. Step 5: Solve for x
    x = 139,977,064.20/10,460.71
  6. Step 6: Final answer
    x = 13,381.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.