Home / 9,389.70-14,088.60-4,772.70

Finding the Fourth Proportional to 9,389.70, 14,088.60 and 4,772.70

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Solution

The fourth proportional to 9,389.70, 14,088.60 and 4,772.70 is: 7,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.70 : 14,088.60 = 4,772.70 : x
  2. Step 2: Convert to fraction form
    9,389.70/14,088.60 = 4,772.70/x
  3. Step 3: Cross multiply
    9,389.70x = 14,088.60 × 4,772.70
  4. Step 4: Simplify right side
    9,389.70x = 67,240,661.22
  5. Step 5: Solve for x
    x = 67,240,661.22/9,389.70
  6. Step 6: Final answer
    x = 7,161.11

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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.