Home / 9,620.48-14,430.72-4,426.40

Finding the Fourth Proportional to 9,620.48, 14,430.72 and 4,426.40

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Solution

The fourth proportional to 9,620.48, 14,430.72 and 4,426.40 is: 6,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.48 : 14,430.72 = 4,426.40 : x
  2. Step 2: Convert to fraction form
    9,620.48/14,430.72 = 4,426.40/x
  3. Step 3: Cross multiply
    9,620.48x = 14,430.72 × 4,426.40
  4. Step 4: Simplify right side
    9,620.48x = 63,876,139.01
  5. Step 5: Solve for x
    x = 63,876,139.01/9,620.48
  6. Step 6: Final answer
    x = 6,639.60

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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.