Home / 20,483.07-28,266.61-11,533.46

Finding the Fourth Proportional to 20,483.07, 28,266.61 and 11,533.46

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Solution

The fourth proportional to 20,483.07, 28,266.61 and 11,533.46 is: 15,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.07 : 28,266.61 = 11,533.46 : x
  2. Step 2: Convert to fraction form
    20,483.07/28,266.61 = 11,533.46/x
  3. Step 3: Cross multiply
    20,483.07x = 28,266.61 × 11,533.46
  4. Step 4: Simplify right side
    20,483.07x = 326,011,667.23
  5. Step 5: Solve for x
    x = 326,011,667.23/20,483.07
  6. Step 6: Final answer
    x = 15,916.15

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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.