Home / 14,389.02-21,555.87-8,826.15

Finding the Fourth Proportional to 14,389.02, 21,555.87 and 8,826.15

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Solution

The fourth proportional to 14,389.02, 21,555.87 and 8,826.15 is: 13,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.02 : 21,555.87 = 8,826.15 : x
  2. Step 2: Convert to fraction form
    14,389.02/21,555.87 = 8,826.15/x
  3. Step 3: Cross multiply
    14,389.02x = 21,555.87 × 8,826.15
  4. Step 4: Simplify right side
    14,389.02x = 190,255,342.00
  5. Step 5: Solve for x
    x = 190,255,342.00/14,389.02
  6. Step 6: Final answer
    x = 13,222.26

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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.