Home / 13,319.24-19,981.98-4,554.18

Finding the Fourth Proportional to 13,319.24, 19,981.98 and 4,554.18

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Solution

The fourth proportional to 13,319.24, 19,981.98 and 4,554.18 is: 6,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.24 : 19,981.98 = 4,554.18 : x
  2. Step 2: Convert to fraction form
    13,319.24/19,981.98 = 4,554.18/x
  3. Step 3: Cross multiply
    13,319.24x = 19,981.98 × 4,554.18
  4. Step 4: Simplify right side
    13,319.24x = 91,001,533.68
  5. Step 5: Solve for x
    x = 91,001,533.68/13,319.24
  6. Step 6: Final answer
    x = 6,832.34

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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.