Home / 15,588.18-21,504.20-11,332.64

Finding the Fourth Proportional to 15,588.18, 21,504.20 and 11,332.64

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Solution

The fourth proportional to 15,588.18, 21,504.20 and 11,332.64 is: 15,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.18 : 21,504.20 = 11,332.64 : x
  2. Step 2: Convert to fraction form
    15,588.18/21,504.20 = 11,332.64/x
  3. Step 3: Cross multiply
    15,588.18x = 21,504.20 × 11,332.64
  4. Step 4: Simplify right side
    15,588.18x = 243,699,354.19
  5. Step 5: Solve for x
    x = 243,699,354.19/15,588.18
  6. Step 6: Final answer
    x = 15,633.60

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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.