Home / 19,547.07-29,320.59-4,755.99

Finding the Fourth Proportional to 19,547.07, 29,320.59 and 4,755.99

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Solution

The fourth proportional to 19,547.07, 29,320.59 and 4,755.99 is: 7,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.07 : 29,320.59 = 4,755.99 : x
  2. Step 2: Convert to fraction form
    19,547.07/29,320.59 = 4,755.99/x
  3. Step 3: Cross multiply
    19,547.07x = 29,320.59 × 4,755.99
  4. Step 4: Simplify right side
    19,547.07x = 139,448,432.83
  5. Step 5: Solve for x
    x = 139,448,432.83/19,547.07
  6. Step 6: Final answer
    x = 7,133.98

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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.