Home / 12,860.08-19,283.64-6,276.40

Finding the Fourth Proportional to 12,860.08, 19,283.64 and 6,276.40

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Solution

The fourth proportional to 12,860.08, 19,283.64 and 6,276.40 is: 9,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.08 : 19,283.64 = 6,276.40 : x
  2. Step 2: Convert to fraction form
    12,860.08/19,283.64 = 6,276.40/x
  3. Step 3: Cross multiply
    12,860.08x = 19,283.64 × 6,276.40
  4. Step 4: Simplify right side
    12,860.08x = 121,031,838.10
  5. Step 5: Solve for x
    x = 121,031,838.10/12,860.08
  6. Step 6: Final answer
    x = 9,411.44

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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.