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Finding the Fourth Proportional to 14,590.54, 21,907.59 and 8,357.59

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Solution

The fourth proportional to 14,590.54, 21,907.59 and 8,357.59 is: 12,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.54 : 21,907.59 = 8,357.59 : x
  2. Step 2: Convert to fraction form
    14,590.54/21,907.59 = 8,357.59/x
  3. Step 3: Cross multiply
    14,590.54x = 21,907.59 × 8,357.59
  4. Step 4: Simplify right side
    14,590.54x = 183,094,655.11
  5. Step 5: Solve for x
    x = 183,094,655.11/14,590.54
  6. Step 6: Final answer
    x = 12,548.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.