Home / 10,011.64-15,030.22-8,166.36

Finding the Fourth Proportional to 10,011.64, 15,030.22 and 8,166.36

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Solution

The fourth proportional to 10,011.64, 15,030.22 and 8,166.36 is: 12,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.64 : 15,030.22 = 8,166.36 : x
  2. Step 2: Convert to fraction form
    10,011.64/15,030.22 = 8,166.36/x
  3. Step 3: Cross multiply
    10,011.64x = 15,030.22 × 8,166.36
  4. Step 4: Simplify right side
    10,011.64x = 122,742,187.40
  5. Step 5: Solve for x
    x = 122,742,187.40/10,011.64
  6. Step 6: Final answer
    x = 12,259.95

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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.