Home / 15,623.41-21,570.37-13,941.93

Finding the Fourth Proportional to 15,623.41, 21,570.37 and 13,941.93

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Solution

The fourth proportional to 15,623.41, 21,570.37 and 13,941.93 is: 19,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.41 : 21,570.37 = 13,941.93 : x
  2. Step 2: Convert to fraction form
    15,623.41/21,570.37 = 13,941.93/x
  3. Step 3: Cross multiply
    15,623.41x = 21,570.37 × 13,941.93
  4. Step 4: Simplify right side
    15,623.41x = 300,732,572.75
  5. Step 5: Solve for x
    x = 300,732,572.75/15,623.41
  6. Step 6: Final answer
    x = 19,248.84

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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.