Home / 9,089.01-13,639.79-5,970.51

Finding the Fourth Proportional to 9,089.01, 13,639.79 and 5,970.51

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Solution

The fourth proportional to 9,089.01, 13,639.79 and 5,970.51 is: 8,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.01 : 13,639.79 = 5,970.51 : x
  2. Step 2: Convert to fraction form
    9,089.01/13,639.79 = 5,970.51/x
  3. Step 3: Cross multiply
    9,089.01x = 13,639.79 × 5,970.51
  4. Step 4: Simplify right side
    9,089.01x = 81,436,502.59
  5. Step 5: Solve for x
    x = 81,436,502.59/9,089.01
  6. Step 6: Final answer
    x = 8,959.89

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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.