Home / 14,315.07-19,750.76-9,279.50

Finding the Fourth Proportional to 14,315.07, 19,750.76 and 9,279.50

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Solution

The fourth proportional to 14,315.07, 19,750.76 and 9,279.50 is: 12,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.07 : 19,750.76 = 9,279.50 : x
  2. Step 2: Convert to fraction form
    14,315.07/19,750.76 = 9,279.50/x
  3. Step 3: Cross multiply
    14,315.07x = 19,750.76 × 9,279.50
  4. Step 4: Simplify right side
    14,315.07x = 183,277,180.40
  5. Step 5: Solve for x
    x = 183,277,180.40/14,315.07
  6. Step 6: Final answer
    x = 12,803.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.