Home / 13,435.08-18,547.02-10,305.24

Finding the Fourth Proportional to 13,435.08, 18,547.02 and 10,305.24

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Solution

The fourth proportional to 13,435.08, 18,547.02 and 10,305.24 is: 14,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.08 : 18,547.02 = 10,305.24 : x
  2. Step 2: Convert to fraction form
    13,435.08/18,547.02 = 10,305.24/x
  3. Step 3: Cross multiply
    13,435.08x = 18,547.02 × 10,305.24
  4. Step 4: Simplify right side
    13,435.08x = 191,131,492.38
  5. Step 5: Solve for x
    x = 191,131,492.38/13,435.08
  6. Step 6: Final answer
    x = 14,226.30

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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.