Home / 9,861.02-13,607.67-5,384.70

Finding the Fourth Proportional to 9,861.02, 13,607.67 and 5,384.70

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Solution

The fourth proportional to 9,861.02, 13,607.67 and 5,384.70 is: 7,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.02 : 13,607.67 = 5,384.70 : x
  2. Step 2: Convert to fraction form
    9,861.02/13,607.67 = 5,384.70/x
  3. Step 3: Cross multiply
    9,861.02x = 13,607.67 × 5,384.70
  4. Step 4: Simplify right side
    9,861.02x = 73,273,220.65
  5. Step 5: Solve for x
    x = 73,273,220.65/9,861.02
  6. Step 6: Final answer
    x = 7,430.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.