Home / 13,307.58-19,961.94-4,985.42

Finding the Fourth Proportional to 13,307.58, 19,961.94 and 4,985.42

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Solution

The fourth proportional to 13,307.58, 19,961.94 and 4,985.42 is: 7,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.58 : 19,961.94 = 4,985.42 : x
  2. Step 2: Convert to fraction form
    13,307.58/19,961.94 = 4,985.42/x
  3. Step 3: Cross multiply
    13,307.58x = 19,961.94 × 4,985.42
  4. Step 4: Simplify right side
    13,307.58x = 99,518,654.91
  5. Step 5: Solve for x
    x = 99,518,654.91/13,307.58
  6. Step 6: Final answer
    x = 7,478.34

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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.