Home / 9,889.30-14,823.60-9,077.68

Finding the Fourth Proportional to 9,889.30, 14,823.60 and 9,077.68

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Solution

The fourth proportional to 9,889.30, 14,823.60 and 9,077.68 is: 13,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.30 : 14,823.60 = 9,077.68 : x
  2. Step 2: Convert to fraction form
    9,889.30/14,823.60 = 9,077.68/x
  3. Step 3: Cross multiply
    9,889.30x = 14,823.60 × 9,077.68
  4. Step 4: Simplify right side
    9,889.30x = 134,563,897.25
  5. Step 5: Solve for x
    x = 134,563,897.25/9,889.30
  6. Step 6: Final answer
    x = 13,607.02

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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.