Home / 12,948.35-19,426.63-4,628.18

Finding the Fourth Proportional to 12,948.35, 19,426.63 and 4,628.18

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Solution

The fourth proportional to 12,948.35, 19,426.63 and 4,628.18 is: 6,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.35 : 19,426.63 = 4,628.18 : x
  2. Step 2: Convert to fraction form
    12,948.35/19,426.63 = 4,628.18/x
  3. Step 3: Cross multiply
    12,948.35x = 19,426.63 × 4,628.18
  4. Step 4: Simplify right side
    12,948.35x = 89,909,918.45
  5. Step 5: Solve for x
    x = 89,909,918.45/12,948.35
  6. Step 6: Final answer
    x = 6,943.74

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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.