Home / 17,557.55-26,312.93-7,686.08

Finding the Fourth Proportional to 17,557.55, 26,312.93 and 7,686.08

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Solution

The fourth proportional to 17,557.55, 26,312.93 and 7,686.08 is: 11,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,557.55 : 26,312.93 = 7,686.08 : x
  2. Step 2: Convert to fraction form
    17,557.55/26,312.93 = 7,686.08/x
  3. Step 3: Cross multiply
    17,557.55x = 26,312.93 × 7,686.08
  4. Step 4: Simplify right side
    17,557.55x = 202,243,285.01
  5. Step 5: Solve for x
    x = 202,243,285.01/17,557.55
  6. Step 6: Final answer
    x = 11,518.88

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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.