Home / 19,313.48-26,652.98-12,603.40

Finding the Fourth Proportional to 19,313.48, 26,652.98 and 12,603.40

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Solution

The fourth proportional to 19,313.48, 26,652.98 and 12,603.40 is: 17,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.48 : 26,652.98 = 12,603.40 : x
  2. Step 2: Convert to fraction form
    19,313.48/26,652.98 = 12,603.40/x
  3. Step 3: Cross multiply
    19,313.48x = 26,652.98 × 12,603.40
  4. Step 4: Simplify right side
    19,313.48x = 335,918,168.13
  5. Step 5: Solve for x
    x = 335,918,168.13/19,313.48
  6. Step 6: Final answer
    x = 17,392.94

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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.