Home / 19,019.84-26,236.80-11,061.20

Finding the Fourth Proportional to 19,019.84, 26,236.80 and 11,061.20

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Solution

The fourth proportional to 19,019.84, 26,236.80 and 11,061.20 is: 15,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.84 : 26,236.80 = 11,061.20 : x
  2. Step 2: Convert to fraction form
    19,019.84/26,236.80 = 11,061.20/x
  3. Step 3: Cross multiply
    19,019.84x = 26,236.80 × 11,061.20
  4. Step 4: Simplify right side
    19,019.84x = 290,210,492.16
  5. Step 5: Solve for x
    x = 290,210,492.16/19,019.84
  6. Step 6: Final answer
    x = 15,258.30

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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.