Home / 13,345.02-18,417.78-8,625.96

Finding the Fourth Proportional to 13,345.02, 18,417.78 and 8,625.96

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Solution

The fourth proportional to 13,345.02, 18,417.78 and 8,625.96 is: 11,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.02 : 18,417.78 = 8,625.96 : x
  2. Step 2: Convert to fraction form
    13,345.02/18,417.78 = 8,625.96/x
  3. Step 3: Cross multiply
    13,345.02x = 18,417.78 × 8,625.96
  4. Step 4: Simplify right side
    13,345.02x = 158,871,033.57
  5. Step 5: Solve for x
    x = 158,871,033.57/13,345.02
  6. Step 6: Final answer
    x = 11,904.89

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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.