Home / 13,307.32-19,955.40-4,542.76

Finding the Fourth Proportional to 13,307.32, 19,955.40 and 4,542.76

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Solution

The fourth proportional to 13,307.32, 19,955.40 and 4,542.76 is: 6,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.32 : 19,955.40 = 4,542.76 : x
  2. Step 2: Convert to fraction form
    13,307.32/19,955.40 = 4,542.76/x
  3. Step 3: Cross multiply
    13,307.32x = 19,955.40 × 4,542.76
  4. Step 4: Simplify right side
    13,307.32x = 90,652,592.90
  5. Step 5: Solve for x
    x = 90,652,592.90/13,307.32
  6. Step 6: Final answer
    x = 6,812.24

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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.