Home / 13,547.52-20,316.88-4,311.36

Finding the Fourth Proportional to 13,547.52, 20,316.88 and 4,311.36

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Solution

The fourth proportional to 13,547.52, 20,316.88 and 4,311.36 is: 6,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.52 : 20,316.88 = 4,311.36 : x
  2. Step 2: Convert to fraction form
    13,547.52/20,316.88 = 4,311.36/x
  3. Step 3: Cross multiply
    13,547.52x = 20,316.88 × 4,311.36
  4. Step 4: Simplify right side
    13,547.52x = 87,593,383.76
  5. Step 5: Solve for x
    x = 87,593,383.76/13,547.52
  6. Step 6: Final answer
    x = 6,465.64

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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.