Home / 19,111.14-28,652.13-9,240.48

Finding the Fourth Proportional to 19,111.14, 28,652.13 and 9,240.48

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Solution

The fourth proportional to 19,111.14, 28,652.13 and 9,240.48 is: 13,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.14 : 28,652.13 = 9,240.48 : x
  2. Step 2: Convert to fraction form
    19,111.14/28,652.13 = 9,240.48/x
  3. Step 3: Cross multiply
    19,111.14x = 28,652.13 × 9,240.48
  4. Step 4: Simplify right side
    19,111.14x = 264,759,434.22
  5. Step 5: Solve for x
    x = 264,759,434.22/19,111.14
  6. Step 6: Final answer
    x = 13,853.67

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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.