Home / 19,303.72-26,623.62-12,588.84

Finding the Fourth Proportional to 19,303.72, 26,623.62 and 12,588.84

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Solution

The fourth proportional to 19,303.72, 26,623.62 and 12,588.84 is: 17,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.72 : 26,623.62 = 12,588.84 : x
  2. Step 2: Convert to fraction form
    19,303.72/26,623.62 = 12,588.84/x
  3. Step 3: Cross multiply
    19,303.72x = 26,623.62 × 12,588.84
  4. Step 4: Simplify right side
    19,303.72x = 335,160,492.40
  5. Step 5: Solve for x
    x = 335,160,492.40/19,303.72
  6. Step 6: Final answer
    x = 17,362.48

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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.