Home / 13,637.86-20,457.95-3,777.14

Finding the Fourth Proportional to 13,637.86, 20,457.95 and 3,777.14

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Solution

The fourth proportional to 13,637.86, 20,457.95 and 3,777.14 is: 5,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.86 : 20,457.95 = 3,777.14 : x
  2. Step 2: Convert to fraction form
    13,637.86/20,457.95 = 3,777.14/x
  3. Step 3: Cross multiply
    13,637.86x = 20,457.95 × 3,777.14
  4. Step 4: Simplify right side
    13,637.86x = 77,272,541.26
  5. Step 5: Solve for x
    x = 77,272,541.26/13,637.86
  6. Step 6: Final answer
    x = 5,666.03

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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.