Home / 13,328.19-19,977.93-6,754.89

Finding the Fourth Proportional to 13,328.19, 19,977.93 and 6,754.89

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Solution

The fourth proportional to 13,328.19, 19,977.93 and 6,754.89 is: 10,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.19 : 19,977.93 = 6,754.89 : x
  2. Step 2: Convert to fraction form
    13,328.19/19,977.93 = 6,754.89/x
  3. Step 3: Cross multiply
    13,328.19x = 19,977.93 × 6,754.89
  4. Step 4: Simplify right side
    13,328.19x = 134,948,719.58
  5. Step 5: Solve for x
    x = 134,948,719.58/13,328.19
  6. Step 6: Final answer
    x = 10,125.06

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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.