Home / 10,378.44-15,567.36-2,587.08

Finding the Fourth Proportional to 10,378.44, 15,567.36 and 2,587.08

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Solution

The fourth proportional to 10,378.44, 15,567.36 and 2,587.08 is: 3,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.44 : 15,567.36 = 2,587.08 : x
  2. Step 2: Convert to fraction form
    10,378.44/15,567.36 = 2,587.08/x
  3. Step 3: Cross multiply
    10,378.44x = 15,567.36 × 2,587.08
  4. Step 4: Simplify right side
    10,378.44x = 40,274,005.71
  5. Step 5: Solve for x
    x = 40,274,005.71/10,378.44
  6. Step 6: Final answer
    x = 3,880.55

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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.