Home / 10,330.92-14,256.81-5,615.28

Finding the Fourth Proportional to 10,330.92, 14,256.81 and 5,615.28

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Solution

The fourth proportional to 10,330.92, 14,256.81 and 5,615.28 is: 7,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.92 : 14,256.81 = 5,615.28 : x
  2. Step 2: Convert to fraction form
    10,330.92/14,256.81 = 5,615.28/x
  3. Step 3: Cross multiply
    10,330.92x = 14,256.81 × 5,615.28
  4. Step 4: Simplify right side
    10,330.92x = 80,055,980.06
  5. Step 5: Solve for x
    x = 80,055,980.06/10,330.92
  6. Step 6: Final answer
    x = 7,749.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.