Home / 19,681.74-29,526.66-10,898.20

Finding the Fourth Proportional to 19,681.74, 29,526.66 and 10,898.20

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Solution

The fourth proportional to 19,681.74, 29,526.66 and 10,898.20 is: 16,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.74 : 29,526.66 = 10,898.20 : x
  2. Step 2: Convert to fraction form
    19,681.74/29,526.66 = 10,898.20/x
  3. Step 3: Cross multiply
    19,681.74x = 29,526.66 × 10,898.20
  4. Step 4: Simplify right side
    19,681.74x = 321,787,446.01
  5. Step 5: Solve for x
    x = 321,787,446.01/19,681.74
  6. Step 6: Final answer
    x = 16,349.54

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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.