Home / 13,315.36-19,968.16-4,547.92

Finding the Fourth Proportional to 13,315.36, 19,968.16 and 4,547.92

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Solution

The fourth proportional to 13,315.36, 19,968.16 and 4,547.92 is: 6,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.36 : 19,968.16 = 4,547.92 : x
  2. Step 2: Convert to fraction form
    13,315.36/19,968.16 = 4,547.92/x
  3. Step 3: Cross multiply
    13,315.36x = 19,968.16 × 4,547.92
  4. Step 4: Simplify right side
    13,315.36x = 90,813,594.23
  5. Step 5: Solve for x
    x = 90,813,594.23/13,315.36
  6. Step 6: Final answer
    x = 6,820.21

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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.