Home / 15,572.94-23,368.05-11,421.42

Finding the Fourth Proportional to 15,572.94, 23,368.05 and 11,421.42

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Solution

The fourth proportional to 15,572.94, 23,368.05 and 11,421.42 is: 17,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.94 : 23,368.05 = 11,421.42 : x
  2. Step 2: Convert to fraction form
    15,572.94/23,368.05 = 11,421.42/x
  3. Step 3: Cross multiply
    15,572.94x = 23,368.05 × 11,421.42
  4. Step 4: Simplify right side
    15,572.94x = 266,896,313.63
  5. Step 5: Solve for x
    x = 266,896,313.63/15,572.94
  6. Step 6: Final answer
    x = 17,138.47

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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.