Home / 10,506.12-15,762.27-3,110.78

Finding the Fourth Proportional to 10,506.12, 15,762.27 and 3,110.78

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Solution

The fourth proportional to 10,506.12, 15,762.27 and 3,110.78 is: 4,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.12 : 15,762.27 = 3,110.78 : x
  2. Step 2: Convert to fraction form
    10,506.12/15,762.27 = 3,110.78/x
  3. Step 3: Cross multiply
    10,506.12x = 15,762.27 × 3,110.78
  4. Step 4: Simplify right side
    10,506.12x = 49,032,875.46
  5. Step 5: Solve for x
    x = 49,032,875.46/10,506.12
  6. Step 6: Final answer
    x = 4,667.08

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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.