Home / 9,307.70-13,953.45-5,611.40

Finding the Fourth Proportional to 9,307.70, 13,953.45 and 5,611.40

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Solution

The fourth proportional to 9,307.70, 13,953.45 and 5,611.40 is: 8,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.70 : 13,953.45 = 5,611.40 : x
  2. Step 2: Convert to fraction form
    9,307.70/13,953.45 = 5,611.40/x
  3. Step 3: Cross multiply
    9,307.70x = 13,953.45 × 5,611.40
  4. Step 4: Simplify right side
    9,307.70x = 78,298,389.33
  5. Step 5: Solve for x
    x = 78,298,389.33/9,307.70
  6. Step 6: Final answer
    x = 8,412.22

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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.