Home / 18,937.49-28,403.73-6,457.01

Finding the Fourth Proportional to 18,937.49, 28,403.73 and 6,457.01

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Solution

The fourth proportional to 18,937.49, 28,403.73 and 6,457.01 is: 9,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.49 : 28,403.73 = 6,457.01 : x
  2. Step 2: Convert to fraction form
    18,937.49/28,403.73 = 6,457.01/x
  3. Step 3: Cross multiply
    18,937.49x = 28,403.73 × 6,457.01
  4. Step 4: Simplify right side
    18,937.49x = 183,403,026.63
  5. Step 5: Solve for x
    x = 183,403,026.63/18,937.49
  6. Step 6: Final answer
    x = 9,684.66

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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.