Home / 15,700.03-21,666.69-8,626.50

Finding the Fourth Proportional to 15,700.03, 21,666.69 and 8,626.50

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Solution

The fourth proportional to 15,700.03, 21,666.69 and 8,626.50 is: 11,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.03 : 21,666.69 = 8,626.50 : x
  2. Step 2: Convert to fraction form
    15,700.03/21,666.69 = 8,626.50/x
  3. Step 3: Cross multiply
    15,700.03x = 21,666.69 × 8,626.50
  4. Step 4: Simplify right side
    15,700.03x = 186,907,701.29
  5. Step 5: Solve for x
    x = 186,907,701.29/15,700.03
  6. Step 6: Final answer
    x = 11,904.93

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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.