Home / 15,823.02-21,835.59-8,749.56

Finding the Fourth Proportional to 15,823.02, 21,835.59 and 8,749.56

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Solution

The fourth proportional to 15,823.02, 21,835.59 and 8,749.56 is: 12,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.02 : 21,835.59 = 8,749.56 : x
  2. Step 2: Convert to fraction form
    15,823.02/21,835.59 = 8,749.56/x
  3. Step 3: Cross multiply
    15,823.02x = 21,835.59 × 8,749.56
  4. Step 4: Simplify right side
    15,823.02x = 191,051,804.84
  5. Step 5: Solve for x
    x = 191,051,804.84/15,823.02
  6. Step 6: Final answer
    x = 12,074.29

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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.