Home / 14,299.56-21,457.74-5,978.93

Finding the Fourth Proportional to 14,299.56, 21,457.74 and 5,978.93

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Solution

The fourth proportional to 14,299.56, 21,457.74 and 5,978.93 is: 8,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.56 : 21,457.74 = 5,978.93 : x
  2. Step 2: Convert to fraction form
    14,299.56/21,457.74 = 5,978.93/x
  3. Step 3: Cross multiply
    14,299.56x = 21,457.74 × 5,978.93
  4. Step 4: Simplify right side
    14,299.56x = 128,294,218.13
  5. Step 5: Solve for x
    x = 128,294,218.13/14,299.56
  6. Step 6: Final answer
    x = 8,971.90

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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.