Home / 13,307.43-19,965.60-4,988.33

Finding the Fourth Proportional to 13,307.43, 19,965.60 and 4,988.33

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Solution

The fourth proportional to 13,307.43, 19,965.60 and 4,988.33 is: 7,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.43 : 19,965.60 = 4,988.33 : x
  2. Step 2: Convert to fraction form
    13,307.43/19,965.60 = 4,988.33/x
  3. Step 3: Cross multiply
    13,307.43x = 19,965.60 × 4,988.33
  4. Step 4: Simplify right side
    13,307.43x = 99,594,901.62
  5. Step 5: Solve for x
    x = 99,594,901.62/13,307.43
  6. Step 6: Final answer
    x = 7,484.16

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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.