Home / 19,019.04-26,246.43-10,521.72

Finding the Fourth Proportional to 19,019.04, 26,246.43 and 10,521.72

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Solution

The fourth proportional to 19,019.04, 26,246.43 and 10,521.72 is: 14,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.04 : 26,246.43 = 10,521.72 : x
  2. Step 2: Convert to fraction form
    19,019.04/26,246.43 = 10,521.72/x
  3. Step 3: Cross multiply
    19,019.04x = 26,246.43 × 10,521.72
  4. Step 4: Simplify right side
    19,019.04x = 276,157,587.46
  5. Step 5: Solve for x
    x = 276,157,587.46/19,019.04
  6. Step 6: Final answer
    x = 14,520.06

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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.