Home / 14,291.10-21,424.28-6,900.75

Finding the Fourth Proportional to 14,291.10, 21,424.28 and 6,900.75

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Solution

The fourth proportional to 14,291.10, 21,424.28 and 6,900.75 is: 10,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.10 : 21,424.28 = 6,900.75 : x
  2. Step 2: Convert to fraction form
    14,291.10/21,424.28 = 6,900.75/x
  3. Step 3: Cross multiply
    14,291.10x = 21,424.28 × 6,900.75
  4. Step 4: Simplify right side
    14,291.10x = 147,843,565.71
  5. Step 5: Solve for x
    x = 147,843,565.71/14,291.10
  6. Step 6: Final answer
    x = 10,345.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.