Home / 13,541.76-20,312.64-4,308.48

Finding the Fourth Proportional to 13,541.76, 20,312.64 and 4,308.48

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Solution

The fourth proportional to 13,541.76, 20,312.64 and 4,308.48 is: 6,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.76 : 20,312.64 = 4,308.48 : x
  2. Step 2: Convert to fraction form
    13,541.76/20,312.64 = 4,308.48/x
  3. Step 3: Cross multiply
    13,541.76x = 20,312.64 × 4,308.48
  4. Step 4: Simplify right side
    13,541.76x = 87,516,603.19
  5. Step 5: Solve for x
    x = 87,516,603.19/13,541.76
  6. Step 6: Final answer
    x = 6,462.72

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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.