Home / 19,686.40-29,533.65-6,548.20

Finding the Fourth Proportional to 19,686.40, 29,533.65 and 6,548.20

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Solution

The fourth proportional to 19,686.40, 29,533.65 and 6,548.20 is: 9,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.40 : 29,533.65 = 6,548.20 : x
  2. Step 2: Convert to fraction form
    19,686.40/29,533.65 = 6,548.20/x
  3. Step 3: Cross multiply
    19,686.40x = 29,533.65 × 6,548.20
  4. Step 4: Simplify right side
    19,686.40x = 193,392,246.93
  5. Step 5: Solve for x
    x = 193,392,246.93/19,686.40
  6. Step 6: Final answer
    x = 9,823.65

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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.