Home / 10,203.60-15,313.59-5,274.68

Finding the Fourth Proportional to 10,203.60, 15,313.59 and 5,274.68

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Solution

The fourth proportional to 10,203.60, 15,313.59 and 5,274.68 is: 7,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.60 : 15,313.59 = 5,274.68 : x
  2. Step 2: Convert to fraction form
    10,203.60/15,313.59 = 5,274.68/x
  3. Step 3: Cross multiply
    10,203.60x = 15,313.59 × 5,274.68
  4. Step 4: Simplify right side
    10,203.60x = 80,774,210.33
  5. Step 5: Solve for x
    x = 80,774,210.33/10,203.60
  6. Step 6: Final answer
    x = 7,916.25

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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.