Home / 13,810.24-19,069.37-11,258.40

Finding the Fourth Proportional to 13,810.24, 19,069.37 and 11,258.40

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Solution

The fourth proportional to 13,810.24, 19,069.37 and 11,258.40 is: 15,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.24 : 19,069.37 = 11,258.40 : x
  2. Step 2: Convert to fraction form
    13,810.24/19,069.37 = 11,258.40/x
  3. Step 3: Cross multiply
    13,810.24x = 19,069.37 × 11,258.40
  4. Step 4: Simplify right side
    13,810.24x = 214,690,595.21
  5. Step 5: Solve for x
    x = 214,690,595.21/13,810.24
  6. Step 6: Final answer
    x = 15,545.75

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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.