Home / 11,307.88-15,604.70-6,271.98

Finding the Fourth Proportional to 11,307.88, 15,604.70 and 6,271.98

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Solution

The fourth proportional to 11,307.88, 15,604.70 and 6,271.98 is: 8,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.88 : 15,604.70 = 6,271.98 : x
  2. Step 2: Convert to fraction form
    11,307.88/15,604.70 = 6,271.98/x
  3. Step 3: Cross multiply
    11,307.88x = 15,604.70 × 6,271.98
  4. Step 4: Simplify right side
    11,307.88x = 97,872,366.31
  5. Step 5: Solve for x
    x = 97,872,366.31/11,307.88
  6. Step 6: Final answer
    x = 8,655.24

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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.