Home / 14,259.02-21,370.70-6,861.49

Finding the Fourth Proportional to 14,259.02, 21,370.70 and 6,861.49

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Solution

The fourth proportional to 14,259.02, 21,370.70 and 6,861.49 is: 10,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.02 : 21,370.70 = 6,861.49 : x
  2. Step 2: Convert to fraction form
    14,259.02/21,370.70 = 6,861.49/x
  3. Step 3: Cross multiply
    14,259.02x = 21,370.70 × 6,861.49
  4. Step 4: Simplify right side
    14,259.02x = 146,634,808.07
  5. Step 5: Solve for x
    x = 146,634,808.07/14,259.02
  6. Step 6: Final answer
    x = 10,283.66

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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.