Home / 9,036.79-13,537.63-6,660.55

Finding the Fourth Proportional to 9,036.79, 13,537.63 and 6,660.55

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Solution

The fourth proportional to 9,036.79, 13,537.63 and 6,660.55 is: 9,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.79 : 13,537.63 = 6,660.55 : x
  2. Step 2: Convert to fraction form
    9,036.79/13,537.63 = 6,660.55/x
  3. Step 3: Cross multiply
    9,036.79x = 13,537.63 × 6,660.55
  4. Step 4: Simplify right side
    9,036.79x = 90,168,086.74
  5. Step 5: Solve for x
    x = 90,168,086.74/9,036.79
  6. Step 6: Final answer
    x = 9,977.89

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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.