Home / 19,020.29-26,210.99-13,705.07

Finding the Fourth Proportional to 19,020.29, 26,210.99 and 13,705.07

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Solution

The fourth proportional to 19,020.29, 26,210.99 and 13,705.07 is: 18,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.29 : 26,210.99 = 13,705.07 : x
  2. Step 2: Convert to fraction form
    19,020.29/26,210.99 = 13,705.07/x
  3. Step 3: Cross multiply
    19,020.29x = 26,210.99 × 13,705.07
  4. Step 4: Simplify right side
    19,020.29x = 359,223,355.93
  5. Step 5: Solve for x
    x = 359,223,355.93/19,020.29
  6. Step 6: Final answer
    x = 18,886.33

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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.