Home / 14,457.81-21,685.62-4,068.21

Finding the Fourth Proportional to 14,457.81, 21,685.62 and 4,068.21

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Solution

The fourth proportional to 14,457.81, 21,685.62 and 4,068.21 is: 6,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.81 : 21,685.62 = 4,068.21 : x
  2. Step 2: Convert to fraction form
    14,457.81/21,685.62 = 4,068.21/x
  3. Step 3: Cross multiply
    14,457.81x = 21,685.62 × 4,068.21
  4. Step 4: Simplify right side
    14,457.81x = 88,221,656.14
  5. Step 5: Solve for x
    x = 88,221,656.14/14,457.81
  6. Step 6: Final answer
    x = 6,102.01

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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.