Home / 19,483.38-26,890.53-11,529.99

Finding the Fourth Proportional to 19,483.38, 26,890.53 and 11,529.99

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Solution

The fourth proportional to 19,483.38, 26,890.53 and 11,529.99 is: 15,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.38 : 26,890.53 = 11,529.99 : x
  2. Step 2: Convert to fraction form
    19,483.38/26,890.53 = 11,529.99/x
  3. Step 3: Cross multiply
    19,483.38x = 26,890.53 × 11,529.99
  4. Step 4: Simplify right side
    19,483.38x = 310,047,541.99
  5. Step 5: Solve for x
    x = 310,047,541.99/19,483.38
  6. Step 6: Final answer
    x = 15,913.44

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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.