Home / 9,955.02-13,748.70-6,187.21

Finding the Fourth Proportional to 9,955.02, 13,748.70 and 6,187.21

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Solution

The fourth proportional to 9,955.02, 13,748.70 and 6,187.21 is: 8,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.02 : 13,748.70 = 6,187.21 : x
  2. Step 2: Convert to fraction form
    9,955.02/13,748.70 = 6,187.21/x
  3. Step 3: Cross multiply
    9,955.02x = 13,748.70 × 6,187.21
  4. Step 4: Simplify right side
    9,955.02x = 85,066,094.13
  5. Step 5: Solve for x
    x = 85,066,094.13/9,955.02
  6. Step 6: Final answer
    x = 8,545.05

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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.