Home / 15,518.74-21,440.92-10,823.98

Finding the Fourth Proportional to 15,518.74, 21,440.92 and 10,823.98

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Solution

The fourth proportional to 15,518.74, 21,440.92 and 10,823.98 is: 14,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.74 : 21,440.92 = 10,823.98 : x
  2. Step 2: Convert to fraction form
    15,518.74/21,440.92 = 10,823.98/x
  3. Step 3: Cross multiply
    15,518.74x = 21,440.92 × 10,823.98
  4. Step 4: Simplify right side
    15,518.74x = 232,076,089.26
  5. Step 5: Solve for x
    x = 232,076,089.26/15,518.74
  6. Step 6: Final answer
    x = 14,954.57

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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.