Home / 8,880.12-13,307.47-6,521.63

Finding the Fourth Proportional to 8,880.12, 13,307.47 and 6,521.63

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Solution

The fourth proportional to 8,880.12, 13,307.47 and 6,521.63 is: 9,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.12 : 13,307.47 = 6,521.63 : x
  2. Step 2: Convert to fraction form
    8,880.12/13,307.47 = 6,521.63/x
  3. Step 3: Cross multiply
    8,880.12x = 13,307.47 × 6,521.63
  4. Step 4: Simplify right side
    8,880.12x = 86,786,312.73
  5. Step 5: Solve for x
    x = 86,786,312.73/8,880.12
  6. Step 6: Final answer
    x = 9,773.10

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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.