Home / 19,717.52-29,564.89-13,485.08

Finding the Fourth Proportional to 19,717.52, 29,564.89 and 13,485.08

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Solution

The fourth proportional to 19,717.52, 29,564.89 and 13,485.08 is: 20,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.52 : 29,564.89 = 13,485.08 : x
  2. Step 2: Convert to fraction form
    19,717.52/29,564.89 = 13,485.08/x
  3. Step 3: Cross multiply
    19,717.52x = 29,564.89 × 13,485.08
  4. Step 4: Simplify right side
    19,717.52x = 398,684,947.04
  5. Step 5: Solve for x
    x = 398,684,947.04/19,717.52
  6. Step 6: Final answer
    x = 20,219.84

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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.