Home / 12,485.04-18,730.35-4,693.92

Finding the Fourth Proportional to 12,485.04, 18,730.35 and 4,693.92

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Solution

The fourth proportional to 12,485.04, 18,730.35 and 4,693.92 is: 7,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.04 : 18,730.35 = 4,693.92 : x
  2. Step 2: Convert to fraction form
    12,485.04/18,730.35 = 4,693.92/x
  3. Step 3: Cross multiply
    12,485.04x = 18,730.35 × 4,693.92
  4. Step 4: Simplify right side
    12,485.04x = 87,918,764.47
  5. Step 5: Solve for x
    x = 87,918,764.47/12,485.04
  6. Step 6: Final answer
    x = 7,041.93

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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.