Home / 10,306.77-14,222.95-5,590.95

Finding the Fourth Proportional to 10,306.77, 14,222.95 and 5,590.95

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Solution

The fourth proportional to 10,306.77, 14,222.95 and 5,590.95 is: 7,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.77 : 14,222.95 = 5,590.95 : x
  2. Step 2: Convert to fraction form
    10,306.77/14,222.95 = 5,590.95/x
  3. Step 3: Cross multiply
    10,306.77x = 14,222.95 × 5,590.95
  4. Step 4: Simplify right side
    10,306.77x = 79,519,802.30
  5. Step 5: Solve for x
    x = 79,519,802.30/10,306.77
  6. Step 6: Final answer
    x = 7,715.30

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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.