Home / 13,588.50-18,783.51-11,337.24

Finding the Fourth Proportional to 13,588.50, 18,783.51 and 11,337.24

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Solution

The fourth proportional to 13,588.50, 18,783.51 and 11,337.24 is: 15,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.50 : 18,783.51 = 11,337.24 : x
  2. Step 2: Convert to fraction form
    13,588.50/18,783.51 = 11,337.24/x
  3. Step 3: Cross multiply
    13,588.50x = 18,783.51 × 11,337.24
  4. Step 4: Simplify right side
    13,588.50x = 212,953,160.91
  5. Step 5: Solve for x
    x = 212,953,160.91/13,588.50
  6. Step 6: Final answer
    x = 15,671.57

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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.