Home / 9,339.32-14,008.44-3,420.20

Finding the Fourth Proportional to 9,339.32, 14,008.44 and 3,420.20

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Solution

The fourth proportional to 9,339.32, 14,008.44 and 3,420.20 is: 5,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.32 : 14,008.44 = 3,420.20 : x
  2. Step 2: Convert to fraction form
    9,339.32/14,008.44 = 3,420.20/x
  3. Step 3: Cross multiply
    9,339.32x = 14,008.44 × 3,420.20
  4. Step 4: Simplify right side
    9,339.32x = 47,911,666.49
  5. Step 5: Solve for x
    x = 47,911,666.49/9,339.32
  6. Step 6: Final answer
    x = 5,130.10

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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.