Home / 19,145.50-26,421.58-10,647.58

Finding the Fourth Proportional to 19,145.50, 26,421.58 and 10,647.58

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Solution

The fourth proportional to 19,145.50, 26,421.58 and 10,647.58 is: 14,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.50 : 26,421.58 = 10,647.58 : x
  2. Step 2: Convert to fraction form
    19,145.50/26,421.58 = 10,647.58/x
  3. Step 3: Cross multiply
    19,145.50x = 26,421.58 × 10,647.58
  4. Step 4: Simplify right side
    19,145.50x = 281,325,886.78
  5. Step 5: Solve for x
    x = 281,325,886.78/19,145.50
  6. Step 6: Final answer
    x = 14,694.10

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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.