Home / 12,457.66-18,693.86-5,061.55

Finding the Fourth Proportional to 12,457.66, 18,693.86 and 5,061.55

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Solution

The fourth proportional to 12,457.66, 18,693.86 and 5,061.55 is: 7,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.66 : 18,693.86 = 5,061.55 : x
  2. Step 2: Convert to fraction form
    12,457.66/18,693.86 = 5,061.55/x
  3. Step 3: Cross multiply
    12,457.66x = 18,693.86 × 5,061.55
  4. Step 4: Simplify right side
    12,457.66x = 94,619,907.08
  5. Step 5: Solve for x
    x = 94,619,907.08/12,457.66
  6. Step 6: Final answer
    x = 7,595.32

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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.