Home / 11,280.66-15,567.33-6,312.66

Finding the Fourth Proportional to 11,280.66, 15,567.33 and 6,312.66

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Solution

The fourth proportional to 11,280.66, 15,567.33 and 6,312.66 is: 8,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.66 : 15,567.33 = 6,312.66 : x
  2. Step 2: Convert to fraction form
    11,280.66/15,567.33 = 6,312.66/x
  3. Step 3: Cross multiply
    11,280.66x = 15,567.33 × 6,312.66
  4. Step 4: Simplify right side
    11,280.66x = 98,271,261.40
  5. Step 5: Solve for x
    x = 98,271,261.40/11,280.66
  6. Step 6: Final answer
    x = 8,711.48

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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.