Home / 10,378.51-15,567.77-2,587.33

Finding the Fourth Proportional to 10,378.51, 15,567.77 and 2,587.33

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Solution

The fourth proportional to 10,378.51, 15,567.77 and 2,587.33 is: 3,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.51 : 15,567.77 = 2,587.33 : x
  2. Step 2: Convert to fraction form
    10,378.51/15,567.77 = 2,587.33/x
  3. Step 3: Cross multiply
    10,378.51x = 15,567.77 × 2,587.33
  4. Step 4: Simplify right side
    10,378.51x = 40,278,958.35
  5. Step 5: Solve for x
    x = 40,278,958.35/10,378.51
  6. Step 6: Final answer
    x = 3,881.00

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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.