Home / 14,445.54-19,937.13-8,782.06

Finding the Fourth Proportional to 14,445.54, 19,937.13 and 8,782.06

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Solution

The fourth proportional to 14,445.54, 19,937.13 and 8,782.06 is: 12,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.54 : 19,937.13 = 8,782.06 : x
  2. Step 2: Convert to fraction form
    14,445.54/19,937.13 = 8,782.06/x
  3. Step 3: Cross multiply
    14,445.54x = 19,937.13 × 8,782.06
  4. Step 4: Simplify right side
    14,445.54x = 175,089,075.89
  5. Step 5: Solve for x
    x = 175,089,075.89/14,445.54
  6. Step 6: Final answer
    x = 12,120.63

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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.