Home / 13,312.96-19,972.98-4,547.86

Finding the Fourth Proportional to 13,312.96, 19,972.98 and 4,547.86

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Solution

The fourth proportional to 13,312.96, 19,972.98 and 4,547.86 is: 6,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.96 : 19,972.98 = 4,547.86 : x
  2. Step 2: Convert to fraction form
    13,312.96/19,972.98 = 4,547.86/x
  3. Step 3: Cross multiply
    13,312.96x = 19,972.98 × 4,547.86
  4. Step 4: Simplify right side
    13,312.96x = 90,834,316.82
  5. Step 5: Solve for x
    x = 90,834,316.82/13,312.96
  6. Step 6: Final answer
    x = 6,823.00

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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.