Home / 13,587.84-18,722.48-12,652.83

Finding the Fourth Proportional to 13,587.84, 18,722.48 and 12,652.83

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Solution

The fourth proportional to 13,587.84, 18,722.48 and 12,652.83 is: 17,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.84 : 18,722.48 = 12,652.83 : x
  2. Step 2: Convert to fraction form
    13,587.84/18,722.48 = 12,652.83/x
  3. Step 3: Cross multiply
    13,587.84x = 18,722.48 × 12,652.83
  4. Step 4: Simplify right side
    13,587.84x = 236,892,293.35
  5. Step 5: Solve for x
    x = 236,892,293.35/13,587.84
  6. Step 6: Final answer
    x = 17,434.14

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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.