Home / 12,569.64-18,848.34-7,577.16

Finding the Fourth Proportional to 12,569.64, 18,848.34 and 7,577.16

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Solution

The fourth proportional to 12,569.64, 18,848.34 and 7,577.16 is: 11,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.64 : 18,848.34 = 7,577.16 : x
  2. Step 2: Convert to fraction form
    12,569.64/18,848.34 = 7,577.16/x
  3. Step 3: Cross multiply
    12,569.64x = 18,848.34 × 7,577.16
  4. Step 4: Simplify right side
    12,569.64x = 142,816,887.91
  5. Step 5: Solve for x
    x = 142,816,887.91/12,569.64
  6. Step 6: Final answer
    x = 11,362.05

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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.