Home / 13,039.32-18,001.24-10,200.68

Finding the Fourth Proportional to 13,039.32, 18,001.24 and 10,200.68

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Solution

The fourth proportional to 13,039.32, 18,001.24 and 10,200.68 is: 14,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.32 : 18,001.24 = 10,200.68 : x
  2. Step 2: Convert to fraction form
    13,039.32/18,001.24 = 10,200.68/x
  3. Step 3: Cross multiply
    13,039.32x = 18,001.24 × 10,200.68
  4. Step 4: Simplify right side
    13,039.32x = 183,624,888.84
  5. Step 5: Solve for x
    x = 183,624,888.84/13,039.32
  6. Step 6: Final answer
    x = 14,082.40

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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.