Home / 17,887.32-26,830.98-4,740.21

Finding the Fourth Proportional to 17,887.32, 26,830.98 and 4,740.21

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Solution

The fourth proportional to 17,887.32, 26,830.98 and 4,740.21 is: 7,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.32 : 26,830.98 = 4,740.21 : x
  2. Step 2: Convert to fraction form
    17,887.32/26,830.98 = 4,740.21/x
  3. Step 3: Cross multiply
    17,887.32x = 26,830.98 × 4,740.21
  4. Step 4: Simplify right side
    17,887.32x = 127,184,479.71
  5. Step 5: Solve for x
    x = 127,184,479.71/17,887.32
  6. Step 6: Final answer
    x = 7,110.32

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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.