Home / 13,525.74-20,288.60-8,875.17

Finding the Fourth Proportional to 13,525.74, 20,288.60 and 8,875.17

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Solution

The fourth proportional to 13,525.74, 20,288.60 and 8,875.17 is: 13,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.74 : 20,288.60 = 8,875.17 : x
  2. Step 2: Convert to fraction form
    13,525.74/20,288.60 = 8,875.17/x
  3. Step 3: Cross multiply
    13,525.74x = 20,288.60 × 8,875.17
  4. Step 4: Simplify right side
    13,525.74x = 180,064,774.06
  5. Step 5: Solve for x
    x = 180,064,774.06/13,525.74
  6. Step 6: Final answer
    x = 13,312.75

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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.