Home / 13,980.77-19,293.31-7,607.55

Finding the Fourth Proportional to 13,980.77, 19,293.31 and 7,607.55

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Solution

The fourth proportional to 13,980.77, 19,293.31 and 7,607.55 is: 10,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.77 : 19,293.31 = 7,607.55 : x
  2. Step 2: Convert to fraction form
    13,980.77/19,293.31 = 7,607.55/x
  3. Step 3: Cross multiply
    13,980.77x = 19,293.31 × 7,607.55
  4. Step 4: Simplify right side
    13,980.77x = 146,774,782.45
  5. Step 5: Solve for x
    x = 146,774,782.45/13,980.77
  6. Step 6: Final answer
    x = 10,498.34

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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.