Home / 13,980.65-19,293.66-7,607.60

Finding the Fourth Proportional to 13,980.65, 19,293.66 and 7,607.60

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Solution

The fourth proportional to 13,980.65, 19,293.66 and 7,607.60 is: 10,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.65 : 19,293.66 = 7,607.60 : x
  2. Step 2: Convert to fraction form
    13,980.65/19,293.66 = 7,607.60/x
  3. Step 3: Cross multiply
    13,980.65x = 19,293.66 × 7,607.60
  4. Step 4: Simplify right side
    13,980.65x = 146,778,532.23
  5. Step 5: Solve for x
    x = 146,778,532.23/13,980.65
  6. Step 6: Final answer
    x = 10,498.69

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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.