Home / 15,312.12-22,946.59-12,178.23

Finding the Fourth Proportional to 15,312.12, 22,946.59 and 12,178.23

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Solution

The fourth proportional to 15,312.12, 22,946.59 and 12,178.23 is: 18,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.12 : 22,946.59 = 12,178.23 : x
  2. Step 2: Convert to fraction form
    15,312.12/22,946.59 = 12,178.23/x
  3. Step 3: Cross multiply
    15,312.12x = 22,946.59 × 12,178.23
  4. Step 4: Simplify right side
    15,312.12x = 279,448,850.74
  5. Step 5: Solve for x
    x = 279,448,850.74/15,312.12
  6. Step 6: Final answer
    x = 18,250.17

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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.