Home / 15,671.53-21,626.58-8,598.07

Finding the Fourth Proportional to 15,671.53, 21,626.58 and 8,598.07

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Solution

The fourth proportional to 15,671.53, 21,626.58 and 8,598.07 is: 11,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.53 : 21,626.58 = 8,598.07 : x
  2. Step 2: Convert to fraction form
    15,671.53/21,626.58 = 8,598.07/x
  3. Step 3: Cross multiply
    15,671.53x = 21,626.58 × 8,598.07
  4. Step 4: Simplify right side
    15,671.53x = 185,946,848.70
  5. Step 5: Solve for x
    x = 185,946,848.70/15,671.53
  6. Step 6: Final answer
    x = 11,865.26

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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.