Home / 12,585.24-18,875.07-7,637.13

Finding the Fourth Proportional to 12,585.24, 18,875.07 and 7,637.13

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Solution

The fourth proportional to 12,585.24, 18,875.07 and 7,637.13 is: 11,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.24 : 18,875.07 = 7,637.13 : x
  2. Step 2: Convert to fraction form
    12,585.24/18,875.07 = 7,637.13/x
  3. Step 3: Cross multiply
    12,585.24x = 18,875.07 × 7,637.13
  4. Step 4: Simplify right side
    12,585.24x = 144,151,363.35
  5. Step 5: Solve for x
    x = 144,151,363.35/12,585.24
  6. Step 6: Final answer
    x = 11,454.00

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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.