Home / 19,603.35-29,386.08-12,563.64

Finding the Fourth Proportional to 19,603.35, 29,386.08 and 12,563.64

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Solution

The fourth proportional to 19,603.35, 29,386.08 and 12,563.64 is: 18,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.35 : 29,386.08 = 12,563.64 : x
  2. Step 2: Convert to fraction form
    19,603.35/29,386.08 = 12,563.64/x
  3. Step 3: Cross multiply
    19,603.35x = 29,386.08 × 12,563.64
  4. Step 4: Simplify right side
    19,603.35x = 369,196,130.13
  5. Step 5: Solve for x
    x = 369,196,130.13/19,603.35
  6. Step 6: Final answer
    x = 18,833.32

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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.