Home / 13,335.40-19,980.54-5,928.52

Finding the Fourth Proportional to 13,335.40, 19,980.54 and 5,928.52

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Solution

The fourth proportional to 13,335.40, 19,980.54 and 5,928.52 is: 8,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.40 : 19,980.54 = 5,928.52 : x
  2. Step 2: Convert to fraction form
    13,335.40/19,980.54 = 5,928.52/x
  3. Step 3: Cross multiply
    13,335.40x = 19,980.54 × 5,928.52
  4. Step 4: Simplify right side
    13,335.40x = 118,455,031.00
  5. Step 5: Solve for x
    x = 118,455,031.00/13,335.40
  6. Step 6: Final answer
    x = 8,882.75

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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.