Home / 19,289.34-26,623.08-12,210.75

Finding the Fourth Proportional to 19,289.34, 26,623.08 and 12,210.75

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Solution

The fourth proportional to 19,289.34, 26,623.08 and 12,210.75 is: 16,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.34 : 26,623.08 = 12,210.75 : x
  2. Step 2: Convert to fraction form
    19,289.34/26,623.08 = 12,210.75/x
  3. Step 3: Cross multiply
    19,289.34x = 26,623.08 × 12,210.75
  4. Step 4: Simplify right side
    19,289.34x = 325,087,774.11
  5. Step 5: Solve for x
    x = 325,087,774.11/19,289.34
  6. Step 6: Final answer
    x = 16,853.23

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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.