Home / 9,339.12-14,009.64-4,148.40

Finding the Fourth Proportional to 9,339.12, 14,009.64 and 4,148.40

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Solution

The fourth proportional to 9,339.12, 14,009.64 and 4,148.40 is: 6,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.12 : 14,009.64 = 4,148.40 : x
  2. Step 2: Convert to fraction form
    9,339.12/14,009.64 = 4,148.40/x
  3. Step 3: Cross multiply
    9,339.12x = 14,009.64 × 4,148.40
  4. Step 4: Simplify right side
    9,339.12x = 58,117,590.58
  5. Step 5: Solve for x
    x = 58,117,590.58/9,339.12
  6. Step 6: Final answer
    x = 6,223.03

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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.