Home / 15,569.64-21,485.39-8,495.91

Finding the Fourth Proportional to 15,569.64, 21,485.39 and 8,495.91

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Solution

The fourth proportional to 15,569.64, 21,485.39 and 8,495.91 is: 11,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.64 : 21,485.39 = 8,495.91 : x
  2. Step 2: Convert to fraction form
    15,569.64/21,485.39 = 8,495.91/x
  3. Step 3: Cross multiply
    15,569.64x = 21,485.39 × 8,495.91
  4. Step 4: Simplify right side
    15,569.64x = 182,537,897.28
  5. Step 5: Solve for x
    x = 182,537,897.28/15,569.64
  6. Step 6: Final answer
    x = 11,723.96

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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.