Home / 9,984.87-14,964.60-5,307.12

Finding the Fourth Proportional to 9,984.87, 14,964.60 and 5,307.12

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Solution

The fourth proportional to 9,984.87, 14,964.60 and 5,307.12 is: 7,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.87 : 14,964.60 = 5,307.12 : x
  2. Step 2: Convert to fraction form
    9,984.87/14,964.60 = 5,307.12/x
  3. Step 3: Cross multiply
    9,984.87x = 14,964.60 × 5,307.12
  4. Step 4: Simplify right side
    9,984.87x = 79,418,927.95
  5. Step 5: Solve for x
    x = 79,418,927.95/9,984.87
  6. Step 6: Final answer
    x = 7,953.93

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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.