Home / 13,470.95-20,235.59-11,011.79

Finding the Fourth Proportional to 13,470.95, 20,235.59 and 11,011.79

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Solution

The fourth proportional to 13,470.95, 20,235.59 and 11,011.79 is: 16,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.95 : 20,235.59 = 11,011.79 : x
  2. Step 2: Convert to fraction form
    13,470.95/20,235.59 = 11,011.79/x
  3. Step 3: Cross multiply
    13,470.95x = 20,235.59 × 11,011.79
  4. Step 4: Simplify right side
    13,470.95x = 222,829,911.37
  5. Step 5: Solve for x
    x = 222,829,911.37/13,470.95
  6. Step 6: Final answer
    x = 16,541.52

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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.