Home / 13,089.60-18,064.06-7,424.58

Finding the Fourth Proportional to 13,089.60, 18,064.06 and 7,424.58

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Solution

The fourth proportional to 13,089.60, 18,064.06 and 7,424.58 is: 10,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.60 : 18,064.06 = 7,424.58 : x
  2. Step 2: Convert to fraction form
    13,089.60/18,064.06 = 7,424.58/x
  3. Step 3: Cross multiply
    13,089.60x = 18,064.06 × 7,424.58
  4. Step 4: Simplify right side
    13,089.60x = 134,118,058.59
  5. Step 5: Solve for x
    x = 134,118,058.59/13,089.60
  6. Step 6: Final answer
    x = 10,246.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.