Home / 14,017.78-21,030.44-4,659.31

Finding the Fourth Proportional to 14,017.78, 21,030.44 and 4,659.31

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Solution

The fourth proportional to 14,017.78, 21,030.44 and 4,659.31 is: 6,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.78 : 21,030.44 = 4,659.31 : x
  2. Step 2: Convert to fraction form
    14,017.78/21,030.44 = 4,659.31/x
  3. Step 3: Cross multiply
    14,017.78x = 21,030.44 × 4,659.31
  4. Step 4: Simplify right side
    14,017.78x = 97,987,339.40
  5. Step 5: Solve for x
    x = 97,987,339.40/14,017.78
  6. Step 6: Final answer
    x = 6,990.22

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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.