Home / 19,457.04-26,829.36-13,158.48

Finding the Fourth Proportional to 19,457.04, 26,829.36 and 13,158.48

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Solution

The fourth proportional to 19,457.04, 26,829.36 and 13,158.48 is: 18,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.04 : 26,829.36 = 13,158.48 : x
  2. Step 2: Convert to fraction form
    19,457.04/26,829.36 = 13,158.48/x
  3. Step 3: Cross multiply
    19,457.04x = 26,829.36 × 13,158.48
  4. Step 4: Simplify right side
    19,457.04x = 353,033,596.97
  5. Step 5: Solve for x
    x = 353,033,596.97/19,457.04
  6. Step 6: Final answer
    x = 18,144.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.