Home / 9,830.13-14,728.77-4,275.15

Finding the Fourth Proportional to 9,830.13, 14,728.77 and 4,275.15

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Solution

The fourth proportional to 9,830.13, 14,728.77 and 4,275.15 is: 6,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.13 : 14,728.77 = 4,275.15 : x
  2. Step 2: Convert to fraction form
    9,830.13/14,728.77 = 4,275.15/x
  3. Step 3: Cross multiply
    9,830.13x = 14,728.77 × 4,275.15
  4. Step 4: Simplify right side
    9,830.13x = 62,967,701.07
  5. Step 5: Solve for x
    x = 62,967,701.07/9,830.13
  6. Step 6: Final answer
    x = 6,405.58

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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.