Home / 19,145.04-26,421.30-10,647.24

Finding the Fourth Proportional to 19,145.04, 26,421.30 and 10,647.24

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Solution

The fourth proportional to 19,145.04, 26,421.30 and 10,647.24 is: 14,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.04 : 26,421.30 = 10,647.24 : x
  2. Step 2: Convert to fraction form
    19,145.04/26,421.30 = 10,647.24/x
  3. Step 3: Cross multiply
    19,145.04x = 26,421.30 × 10,647.24
  4. Step 4: Simplify right side
    19,145.04x = 281,313,922.21
  5. Step 5: Solve for x
    x = 281,313,922.21/19,145.04
  6. Step 6: Final answer
    x = 14,693.83

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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.