Home / 12,888.28-19,335.44-4,003.16

Finding the Fourth Proportional to 12,888.28, 19,335.44 and 4,003.16

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Solution

The fourth proportional to 12,888.28, 19,335.44 and 4,003.16 is: 6,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.28 : 19,335.44 = 4,003.16 : x
  2. Step 2: Convert to fraction form
    12,888.28/19,335.44 = 4,003.16/x
  3. Step 3: Cross multiply
    12,888.28x = 19,335.44 × 4,003.16
  4. Step 4: Simplify right side
    12,888.28x = 77,402,773.32
  5. Step 5: Solve for x
    x = 77,402,773.32/12,888.28
  6. Step 6: Final answer
    x = 6,005.67

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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.